Martian meteorites found on Earth, identified by their unique atmospheric and oxygen isotope compositions, provide valuable ...

ESA's Mars Express orbiter has captured images of a huge crevice on Mars that looks awfully like a "scar" from above.

To sustain people beyond Earth will take a lot of time, energy, and imagination. But we've started to chip away at the many ...

Here's what the highly anticipated Mars-Uranus conjunction means for your zodiac sign, according to astrologer Valerie Mesa.