Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" that splits the Red Planet into two distinct halves. When you purchase ...

The newly discovered planetary system consists of a white dwarf about half the mass of our sun and an Earth-like planet in an orbit twice the size of Earth's current path around the sun.

Right in the middle of its apparent backwards motion in the night sky the red planet will come to its biannual “opposition” when, in early December, Mars is at its closest to Earth and ...