gas giants

The traumatic event may also have seeded the gas giant’s many moons.

But the cold would kill you before the smell did.

So hot right now.

Here are eight surprising things NASA has learned so far.

And it's still not Pluto

Planet 2MASS J2126-8140 orbits a trillion kilometers out from its sun

Powered by turbulence

A survey of brown dwarfs finds they're apt to have violent weather.

Earth's gravitational forces will give it a much needed boost on its way to the fifth planet.

Later this year, the black hole in our own galaxy will do the same, munching on a passing gas cloud.