What do the clouds on Jupiter, dust storms on Mars and rainstorms on Titan all have in common? They look like they belong on ...

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

Climate scientist Kate Marvel talks to The Washington Post about the complicated mix of emotions people might feel about the ...

There will be three full moons during the summer. And the sky this season has a number of bright stars that form easily ...

Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...