BLOOMINGTON, Ind. (AP) — Mars is rocky and red, photos have shown. But what minerals make up the planet? The answer to that question has been just conjecture — until now. David Bish, an Indiana ...

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars. It’s not that hard for scientists to ...

Mars as seen by a Viking orbiter. Photo courtesy NASA Scripps Institution of Oceanography is doing work that is out of this world — specifically work relating to the unique geology of Mars, which ...

Researchers from Tokyo Institute of Technology claim that analysis of Mars' composition supports the idea that it was originally formed in the asteroid belt, and then migrated to the inner solar ...