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A Small Asteroid Will Definitely Miss Earth on March 5. But by How Much?
Music of the Spheres
Edgar Mitchell, 1930–2016
Gigantic Space Telescope’s Main Mirror Now Complete
Is This the Biggest Spiral Galaxy in the Universe?
Science Ranch 2016
Sometimes They Come Back: Giant Gas Cloud on Collision Course With the Milky
Way
Mars From a Height
“Let’s Make Sure That History Never Forgets the Name … Enterprise”
Climate Change Denier Claims (Heh) That 2015 Wasn’t (Ha) the Hottest Year
on Record (HAHAHAHA!)
SPECTACULAR Photos of a Rocket Re-Entering Over Hawaii!
Crash Course Astronomy: Outtakes 5
By the Light of the Zodiac
And the David N. Schramm Science Journalism Award for 2016 Goes To …
The Dark Cloud of the Wolf
Team Celestron
I’m Shocked—SHOCKED—to Find That Fluid Dynamics Is Going On Here!
A City of Stars
So, About that Video of the Space Station Passing in Front of Saturn …
Lady Science
2015: The Hottest Year on Record
From Beneath the Earth to Above the Sky
Charon by Plutolight
Crash Course Astronomy: Everything, the Universe … and Life
More (and Best Yet) Evidence That Another Planet Lurks in the Dark Depths of Our Solar System
See Five Naked-Eye Planets in the Sky at the Same Time!
Does Alpha Centauri Have a Planet or Not? Well …
How Turbulence Fuels the Most Violent Explosions in the Universe
SpaceX Almost Lands the Falcon 9 Rocket Booster at Sea. Almost.
I’m STILL Not Sayin’ Aliens. But This Star Is Really Weird.
A Game Is Lost on the Torque and Parabola of an Isotropic Disk
SpaceX Will Attempt a Second Booster Landing Sunday … Over the Ocean
One of the Single Weirdest “Lights in the Sky” Events Ever: City Map
Drawn in the Sky
Crash Course Astronomy: The Death of the Universe
No, Sen. Ted Cruz, Satellites Are NOT Our Best Way to Measure Global Warming
Incredible Gravity Map of the Earth’s Seafloors
How Sensitive Is Global Warming to Carbon Dioxide?
This Is Not a Still From a Sci-Fi Movie
Mark Zuckerberg: Pro-Vaxxer
David Bowie, 1947–2016
Gardasil: More Anti-Vax Nonsense Collapses Under the Gaze of Reality
Is Glass a Liquid?
Crash Course Astronomy: A Brief History of the Universe
A Slice of Pluto
The Milky Way From a Meteorite Crater
An Interactive Crash Course Tour of the Solar System
Ceres, From Very, Very Up Close
Astronauts Want to Save the World
When Worlds Elide
At Universe Today: The Top 101 Astronomy Events for 2016
No, the Asteroid Apophis STILL Won’t Hit Us in 2036
Can You Catch the Quadrantids?
Perihelion 2016
In Spain, 2015 Ends With a Cosmic Bang
Thoughts on a Backward Moon
The Top Space and Astronomy Stories of 2015
Oregon Transplant
Dione, From Afar
SpaceX Releases New Photos of the Booster Landing
CineSpace
Stormscapes3
Merry Goatsmas!
Stained Glass Pluto
Wham! Apollo 16 Saturn V Booster Impact Site Found on the Moon
NASA Suspends InSight, the Next Big Mission to Mars
Hey! Wanna Be an Astronaut?
SpaceX Sticks the Landing!
Something for Everyone: A Solstice, Monday Night!
No, a “Massive” Asteroid Passing Earth on Thursday Will Not Cause
Earthquakes
SpaceX Will Attempt to Launch Sunday Night
Will the Universe Expand Forever? Crash Course Astronomy Episode 43: Dark
Energy
Earthrise
The Modern Prometheus
Two Astronomers Talk Aliens
Pox Populi
A Holiday Telescope Buying Guide
Catch Comet Catalina Before It’s Gone Forever
Dishdance
The Expanse: The Syfy Channel Is Going Big
Storm Chasing Time Lapse
Everything You Need to Know to Watch the Geminid Meteor Shower Sunday Night
Crash Course Astronomy: The Big Bang
‘tis the Seasoning: Bright Spots on Ceres Are Very Probably Salt
The Latest Embarrassing GOP Attacks on Climate Change Science
Have Astronomers Detected the Most Distant Objects in Our Solar
System? Maybe, but Probably Not.
20 Years of Staring at the Sun
SpaceX Will Launch Again This Month … and Will Launch Astronauts in 2017
Are We Getting a Peek at Peak CO2 Emission?
I Got It! Video of the Moon Occulting Venus.
X(Force / Acceleration – S)
Crash Course Astronomy: Dark Matter
Watch With Me as the Moon Eats Venus Monday Morning!
Fly Over Pluto’s Craters, Mountains, and Plains … at 80 Meters
Resolution!
The Week in Climate Part 5: Hope
ISS Resupply Mission Launch Scheduled for Thursday
The Week in Climate Part 4: Another CO2 Milestone Reached. And It’s a Bad
One.
The Face in the Machine
The Week in Climate Part 3: Extreme Weather Linked to Climate Change …
Again
Watch Live as the ESA Launches LISA P to Space
The Week in Climate Part 2: Grading the Presidential Candidates on Climate
Cyber Monday Among Friends
The Week in Climate Part 1: Remember When October Was the Start of Fall?
Adam Savage, Still Untitled
Uvula
Black Friday … on Mars
Happy Goatsgiving
On the Anniversary of Two Scientific Revolutions
Blue Origin Milestone: Rocket Lands Safely After Trip to Space
Just Another Day on Pluto
Rep. Lamar Smith Continues His Harassment of Scientists
The Milky Way, in 46 Billion Pixels
Black Holes Make Me Drool
Great Photo of a Twisty Rainbow Cloud—Iridescent Pileus
The Glory of Spirals
Bobby Jindal Mocked on The Tonight Show
Nudging the Space Station
Canada Opens the Door for Science Once Again
The Cluster at the Edge of the Universe
GOP Senators and Representatives Band Together to Combat Climate Change and
Its Denial
Swift’s 1,000th!
George Hrab Shows You How to Think
Update: Whatever WT1190F Was, It Isn’t Any More
Crash Course Astronomy: Gamma-Ray Bursts
The Real Reason for the Coffee Season
Putting the WTF in WT1190F (Bonus: Taurid Meteors!)
Minute Physics: How to Go to Space
No, We’re Not Going to Have 15 Days of Darkness in November
Update: Spectacular Photos and Time Lapse of the Trident Missile Launch
When the Sun Went Medieval on Our Planet
Mother of Dragon Galleries
Naval Missile Test Freaks Out L.A.
Crash Course Astronomy: Galaxies, Part II
Update: SETI Sees No Alien Signals From Weird Star
Are Climate Scientists Fiddling With Temperature Data?
Hapuna Galaxy
NASA just saw something come out of a black hole for the first time ever
Polio May Be Eradicated by 2018
SciShow Quiz Show: Sperm, Whales, and Sperm Whales
Is Antarctica Gaining or Losing Ice? Hint: Losing.
Crash Course Astronomy: Galaxies, Part 1
A Rare Monster Seen from Space
Pluto’s Moon Charon Has an Ammonia Leak
Ride Along With the Halloween Asteroid TB145 as It Glides Across the Stars
Very Bright Fireball Over Europe Saturday Night
Halloween Asteroid Is Bigger Than Expected and Also a Giant Dead Comet Skull
Update: Rep. Lamar Smith Ramps Up His Climate Conspiracy
Crescent Pluto
From the Earth to the Moon … in One Minute
Spectacular Martian Dune
Conan and I Share a Little Oxygen Dihydride
If Global Warming Is a Hoax …
Indonesia Fires Seen From a Million Miles Away
A Snowball’s Chance in Paris
A Piece of Cosmic Debris Will Hit Earth on Nov. 13 ... but A) We’re Safe,
and 2) It’s One of Ours
Pluto’s Tiny Dumbbell Moon and a New Target for New Horizons
GOP Congressman Goes on a Climate Science Fishing Expedition
Happy 35th, Planetary Society!
The Monster Hurricane Patricia Seen From Space
Crash Course Astronomy: The Milky Way
Aurorae, Bright and Muted
A Dead Star Is Vaporizing Its Planets
Mythbustin’ the Moon Hoax
Boo! A Decent-Size Asteroid Will Safely Pass Earth on Halloween.
What Other Time Travel Movies Should I Watch Today?
Close-Up on a Spectacular Volcanic Eruption
Watch the World From a Million Miles Away*
Donald Trump’s Unreason for the Season
An American Record in Space
Sexual Harassment in the Scientific Community
Crash Course Astronomy: Nebulae
Pluto Is Sublime. It’s Also the Pits.
Jupiter: A Shrinking Spot, a Waving Wave, and Whole Lotta Detail
Stephan’s Quintet Has a Shocking Surprise
Did Astronomers Find Evidence of an Alien Civilization? (Probably Not. But Still Cool.)
51 Eridani b: Baby Pictures of a New Planet
What Really Killed the Dinosaurs?
Crash Course Astronomy: Star Clusters
My Favorite Martian
Pluto’s Sky Is Blue! Well, Kinda.
When Denial Attacks: Ted Cruz vs. Reality
Relive Our One Giant Leap in an Archive of Thousands of Apollo Photographs
A Lesson in Crewed Language
Stephen Ramsden’s Traveling Sun Show
The 20th Anniversary of Exploring Strange, New Worlds
How to Make a Rubber Ducky Comet: Smash Two Comets Together! Carefully.
Ben Carson vs. Ben Carson
Marketing Space
Crash Course Astronomy: Multiple Star Systems
Behold, the Mess That Is Charon
GOP Presidential Candidates, Science, and Reality
Bloom With a View. Two of Them, in Fact.
Global Epic Eclipse
The Big Mars News: Flowing Water on Mars, at Least Briefly
Mars News: “Major Science Finding” to Be Announced Monday
Hey, I Can See My House From Here
Crash Course Astronomy: Black Holes
Pluto. Oh My, Pluto.
Ben Carson: Evolution Is Satanic and the Big Bang Is a Fairy Tale
Watch the Lunar Eclipse on Sept. 27–28!
No, That’s NOT What the Earth Would Look Like Without Water
A Companion’s Glittering Beehive
Microburst!
ObservaThory
Crash Course Astronomy: Neutron Stars, Pulsars, and Magnetars
Painting the Wings of the Butterfly Nebula
Plumes of Magellan
Cloud Streets Bering Down
Pardon My Flocculence
Ride Along With a Soyuz Rocket Into Orbit
Plucky Milky Way
Crash Course Astronomy: High Mass Stars and Supernovae
New, Gorgeous, Pictures of Pluto
What Climate Change Deniers Sound Like to Normal People
Bright Spots on Ceres Are Coming Into Focus
Twin Planets Found Around Twin Stars
Sen: Pew-Pew! Using Space Lasers to Zap Space Debris
Two Gorgeous Views of a Nearby Galaxy
Video of an Extremely Bright Fireball Over Bangkok
Everybody’s Gone to the Rapture
Celebrate 12 Years of Spitzer With 12 Months of Spitzer
Crash Course Astronomy: In Which I Mispronounce Things
5 Trillion Tons of Ice Lost Since 2002
INTENSE Aurora Display Over Sweden!
Solar Photobomber
Satellite Re-Entry Surprises Hawaii
Inundated by Global Warming
Space Is Cold, but We Are Not
Crash Course Astronomy: White Dwarfs and Planetary Nebulae
Make Me Dream, Under the Stars
Bubbly Hurricane
OK, How’d That Mountain Get There?
A Sun-Diving Neighbor
No, There Won’t Be a Giant Asteroid Impact in September
Why NASA Still Can’t Put Humans in Space: Congress Is Starving It of Needed
Funds
Crash Course Astronomy: Low Mass Stars and the Fate of the Sun
Straight Outta Physics
Farewell, Dione
The Southern Owl
A Spritely Thunderstorm From Space
OK, Fine: One More Gorgeous Perseids Photo
One More Day to Reboot the Suit!
Amazing Astrophotography: Perseids, Fireball, Aurorae, and Weird Clouds
Global Warming Is Here and Now: July 2015 Was the Hottest Month on Record
Parsing the Perseids
Crash Course Astronomy: Brown Dwarfs
A Comet’s Eruptive Day in the Sun
“Here Is the Beautiful Place: Who Could Mistake It? Here Is Odysseus’
Hall!”
Life in the Asteroid Belt Is Rough
Now THAT’S a Supernova
No, There Won’t Be Two Moons in the Sky on Aug. 27. Or Ever. Ever Ever
Ever. Ever.
How to Watch This Week’s Perseid Meteor Shower
Set Phasers to Buy
The Depths of the Lagoon
Crash Course Astronomy: To Explore Strange, New Worlds
Experimenting With Megan Amram
An EPIC View of the Moon Transiting the Earth!
Update: Science Luau Has Five Openings
Anybody Wanna Peanut Asteroid?
Magnificent Earth
We Will Reboot the Suit!
Mike Huckabee: Exactly Wrong About Global Warming
What a Comet Looks Like … From 9 Meters Away!
Colorado High
The Latest Crash Course Astronomy Will Be Delayed
Arc of Truth
The Summer of ’82
The Densest Galaxies Ever Discovered
Sen: Is Kepler-452b Really Earthlike?
Because Comets Aren’t Cool Enough: They Also Have Sinkholes
Gardasil: Yup, Still Safe
Journey From the Far Side of the Sun
Hey! It’s Not Rocket Science!
New Horizons Looks Over Its Shoulder at Pluto
Full-On Pluto
Crash Course Astronomy: Stars
Astronomers Find a Near-Earth-Size Planet in the Habitable Zone of a Very
Sunlike Star
Space Walking at Comic-Con With Adam Savage
More Pluto! And Two Weird Moons. Well, It’s All Weird. It’s Pluto.
The Half Earth Catalog
SpaceX Falcon 9 Rocket Lost Due to Internal Strut Failure
Reboot the Suit!
Venus, Jupiter, the Moon, and the Heart of the Lion
The Two Tails of Comet Pan-STARRS
What’s in Store for the Doctor in Season 9?
Pluto and Charon Keep Getting WEIRDER
Crash Course Astronomy: How Far Is Far?
Map of the Stars’ Homes
PLUTO! CHARON!
Pluto: From Hubble to New Horizons
Life Imitates Art: Pluto’s Face Predicted in 1979
Sen: Finding Pluto
Pluto by Cometlight
Humanity <3 Pluto
No, We’re Not Headed for a Mini–Ice Age
Pluto Is a Wee Bit Bigger Than We Thought
Charon Revealed! Next Up: Pluto.
The Wolf of the Galapagos
Crash Course Astronomy: Tripping the Light Fantastic
Incredible Kinetic “Sculptures” Use the Science of … Hair Dryers?
Getting Excited About Pluto? I Am!
“Oh, Right, I Can Be a Person Now”
Life on a Comet? I’m Gonna Go With “No.”
Orion’s Other Nebula
Dione, Mother of Beauty
Do You Want Some REAL Fireworks?
Crash Course Astronomy: Meteors!
Washington State Woman Is First Measles Death in U.S. in 12 Years
Is Star Trek Tech Possible?
C’mon, How Much Weirder Can Pluto Get?
Carreyed Away
Which Hunt?
Pluto Grows Under New Horizons’ Watchful Eye
A Refreshing Illusion: Flat Glass of Water
Weighing a Galactic Monster
Uncrewed SpaceX Falcon 9 Rocket Explodes After Launch
California May Make It Harder to Opt Out of Getting Vaccinated. I’m OK With
That.
The Summer Triangle ... Up Close
Now Let’s Just Call It Marriage
What Lurks in the Outer Solar System?
What Is Glittering at Pluto’s North Pole?
The 2015 Earth and Sky Photography Winners
A Star Boils Away Its Own Planet, Turning It Into a Megacomet
Dancing Lights Against the Sky
Like a Sci-Fi Sunset: Three Crescent Moons Over Saturn
Pluto Grows in Size While Its Moon Sports a Dark Cap
What Do We Do About Misogyny Online?
A Ceres of Weird Events
Are Volcanoes Still Erupting on Venus?
To Pluto
Vulcan Is an Angry God. A Very, Very Angry God.
Crash Course Astronomy: Comets
The Jets at Night Are Big and Bright (Clap Clap Clap Clap) Deep in the Heart
of Comets
For the First Time, a Mars-Sized Exoplanet Reveals All
Supernova Ozymandias
The Dart of Harkness
Watch Venus and Jupiter Kiss in the Night
Bad Astronomy Video: Rainbow Falls
Helium-Filled Planets
Philae Is Alive!
Iridium Attack on Jupiter!
Crash Course Astronomy: Outtakes 2
Incredible Video of a Stationary Supercell over South Dakota
Bringing Men and Women Down to Earth
The Science of Jurassic Park
What the Heck Are Those Spots on Ceres?
A Cautionary Tale
Jurassic Park Science
Bad Astronomy Video: Black Hole Traffic Jam
Video Ridealong with a Soyuz Capsule Docking with the Space Station
Pluto Time and Pluto Safari
Crash Course Astronomy: Asteroids
Leonard Nimoy Immortalized in the Asteroid Belt
Colorado Tornadoes
Yeah, About That Global Warming Hiatus…
Rainbow Falls
Do Toilets Really Flush the Opposite Way in the Southern Hemisphere?
Sputtering Black Hole Caught by Hubble
NASA Orders First Round of Crew Launches from Boeing
Science Advice and Sexual Harassment
Last Call for Hyperion
… Attempt No Landings There
Ceres Close-Up
Space Weird Thing
How to Make a Rubber Ducky Comet
Crash Course Astronomy: Uranus and Neptune
Pluto - 47 Days
All These Worlds Are Yours …
Time-Lapse: Trails End
Google Doodle Celebrates Sally Ride’s 64th Birthday
BA Video: Close-Up on a Comet
Climate Change Denial Is a Threat to National Security
It’s Crowded Downtown
Wait. That’s the Same Comet?
How Do Clouds Form?
Dragon-Eye View of SpaceX Pad Abort Launch
Crash Course Astronomy: The Lord of the Rings
Gosh
The Cliffs of Churyumov-Gerasimenko
Get Thing Explainer
Rainbow Tornado
Sen: Lunar Cartography
Tripping the Light: Fantastic!
BA Video: How Likely Are We to Die From an Asteroid Impact?
No, a Planetary Alignment on May 28 Won’t Cause an Earthquake
Dance of the Noctilucent Clouds
What If Climate Change Is Real?
Crash Course Astronomy: Jupiter’s Moons
Sunset Clouds Over the Nile
Small Rockslide Causes Splatter Eruption on Kilauea
Smarter Every Day: Opening the Shutters on the Space Station
New Horizons Has Now Seen All Five Known Moons of Pluto
The Universe Shines Through Humans’ Attempts to Diminish It
Louisiana: Burning Science at the Stake
BA Video: What Formed Pluto’s Moons?
The Bright Spots of Ceres Spin Into View
400 Again
Crash Course Astronomy: Jupiter
Cloudy Earth
Rhea
Breaking: Failed Russian Space Capsule Will Re-Enter Earth’s Atmosphere
Thursday