From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building ...

The Mars Moons eXploration spacecraft will fire its thrusters to maneuver into orbit around Mars (depicted in this digital ...

Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

NASA's Curiosity rover took this selfie at a site on Mars where it drilled a sample to search for organic molecules in ...

Several of the newly identified molecules are considered foundational to life’s chemistry.

NASA’s Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in ...

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NASA’s Curiosity rover has discovered the most diverse collection of organic molecules ever found on Mars. The findings, ...