Mars has northern and southern hemispheres like Earth, but their defining characteristics are markedly different, a ...

The study suggests that the Moon likely formed largely from Earth's mantle material — with minimal involvement from Theia.

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

The ‘Martian dichotomy’ is one of the Solar System’s greatest mysteries – but new research in closing in on a solution.

A research team has discovered another piece in the puzzle of the formation of the Moon and water on Earth. The prevailing theory was that the Moon was the result of a collision between the early ...

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

The Red Planet reaches its best position all year this week on January 15. Here’s how and when to get out and see it.

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with ...