How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

In the 1980s, the theory that dinosaurs were wiped out by a massive meteor that hit the Earth began to gain scientific ...

This week, astronomers spotted the third known interstellar visitor to our Solar System. First detected by the Asteroid ...