Planets

The ice giant's atmosphere is pretty chaotic.

Something's in the air on our closest neighbor.

Computer models suggest it was big enough to form the planet's two moons.

NASA's Juno spacecraft got within 5,600 miles of the Earth-sized storm.

It's about as small as a star can be.

The Juno spacecraft will fly within 2,200 miles of the Great Red Spot.

Scientists call it a "geometric nightmare."

A 13th-century conflict between faith and science ultimately led to a surprising outcome: a medieval multiverse theory.

Thanks to Juno, textbooks are going to need an overhaul.

That's the minor planet, not the mythical creature.

If Pluto and DeeDee aren't planets, then maybe Earth isn't either.

NASA discovered some hydrogen.

"Questions about 'are we alone?' are being answered as we speak," said one researcher this afternoon.

The celestial snowball's most stunning feature might be cold, but it sure isn't dead.

A planet orbiting the closest star to the Sun may have the conditions to support life.