Ice sheets, and not rushing rivers, sculpted many Martian valleys, according to scientists. The new research…

Surprising quantities of bacteria have been found living in clay-rich rocks under the Pacific seafloor. The…

Unlike some people on Watchmen, I’m not even sure a hammer to the head might help at this point.

Mars’ surface, as far as we can tell, is not habitable to humans—it’s far too cold. But eventually, humanity would…

NASA’s Curiosity rover discovered “startlingly high amounts of methane in the Martian air” on Wednesday in what…

Scientists report finding evidence for an ancient planet-wide groundwater system on Mars, according to a new study.…

By using the barren Atacama Desert in Chile as a stand-in for Mars, researchers have shown that it’s possible to use…

Interplanetary travel is pitched to us as a good thing. Explorers will visit other planets, which settlers will then…

NASA has announced the landing location of its upcoming Mars 2020 rover: Jezero Crater.

After decades of debate, scientists have spotted hints of liquid water trapped beneath the planet’s south polar ice…

As far as humans are concerned, Mars has two stories. One is in the present: We’re trying to send our ships and our…

No, NASA hasn’t discovered life on Mars yet—but a new result makes it seem like maybe, at some point in the planet’s…

Up until a few weeks ago, John Krasinski was best-known as that dude who starred on the American version of The…

Everyone from David Bowie to astrobiologists to tinfoil hat believers has pondered the question: is there life on…

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts…

Winter Storm Jonas pretty much has the East Coast stuck inside this weekend, which means that you’re probably…

NASA just confirmed something incredible: There’s water flowing on Mars today. But what does that mean for life on…

When Curiosity goes looking for organic molecules in Mars's solid surface, it vaporizes a rock sample and sniffs the…

It may not look like much — just an old rock with dust on it. But after careful examination of this and other images…

Data collected by the Curiosity Rover suggests Mars once featured a moderate climate capable of fostering lakes of…