In a new study, researchers say that nonbiological sources they considered could not fully account for the abundance of ...

After the Red Planet reemerged from conjunction — a period when NASA doesn't communicate with spacecraft because Mars is ...

This isn’t the famous sample reported last September, but another with different signs of past life we’re struggling to ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

Mars's water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went.

It would really suck to be all alone on Mars at night. The post This Photo of Mars at Night Is Straight Up Haunting appeared ...

The Curiosity rover, along the lower slopes of Mount Sharp inside Gale Crater, has reportedly uncovered the largest organic ...

NASA's Mars rover Curiosity is transforming into a Martian shutterbug. Since its spectacular landing on Sunday (Aug. 5 PDT) , the car-size rover has beamed home swift views of its Gale Crater landing ...

The Curiosity rover is travelling along the lower slopes of Mount Sharp (Mars), a large mountain in the center of Gale Crater ...

When NASA's next Mars rover, Curiosity, arrives at the Red Planet next month, it will help pave the way for the humans that might one day follow. In addition to looking for signs of current and past ...