Phil Plait

Stripped gas condenses to form massive blue stars.

Two planets that share the same orbit likely don’t exist.

New study shows big beasts are more rare nowadays.

The Manatee Nebula is shooting out hugely energetic subatomic particles.

Canadian microbes are a lot like what Mars life would look like.

Super-dim galaxy Pegasus V may be the key to understanding the cosmos.

Organic molecules found in a Mars rock were probably not from Martian life.

On some exoplanets, it’s raining rocks.

My God. It’s full of… the Universe.

JD1 shows signs of coherent rotation when it was less than 500 million years old.