Phil Plait

So long, and thanks for all the space.

Simulations show some stars possess purloined planets.

We’ve found the last planet in the galaxy you'd want to live on.

Would Earth still be considered a planet if it were out in Neptune’s orbit?

NASA's hoping for a DART bullseye.

JWST spies on Neptune and sees storms, rings, and moons.

Today the Sun is directly over Earth's equator.

Four separate impacts detected by the NASA lander.

At 1,570 light-years away it's three times closer than the previous record holder.

The oldest planetary nebula ever seen is in the star cluster M37.