Scientists detect a solid inner core on Mars for the first time, revealing a new chapter in planetary evolution.

Mars is usually a safe 225 million kilometers away from Earth, but what if the red planet went off course and headed straight toward us? This nightmare scenario would cause devastation long before the ...

Scientists can now predict Mars' green auroras - glowing signs of solar storms - which could protect future astronauts on the ...

Did NASA find life on Mars? What NASA has found may be the strongest evidence yet that ancient microbial life once existed on ...