During that time, it has created the most comprehensive map of the Martian atmosphere and its chemical composition, examined ...

"We will never witness the formation of Earth, but here, around a young star 440 light-years away, we may be watching a planet come into existence in real time." Astronomers have seen what appears to ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this star's system is home to ...