Some space conspiracy theories just won't go away.

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

Mars is home to perhaps the greatest mystery of the Solar System: the so-called Martian dichotomy, which has baffled ...

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

NASA recently released an overhead view of what appears to be massive kidney beans found on Mars' northern hemisphere. In ...