"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

For more than a decade, NASA’s Curiosity rover has been climbing a Martian mountain, reading the planet’s ancient history layer by layer. Now, a discovery of web-like rock for ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take a far less glamorous means of transport.

NASA’s Mars Curiosity rover has been exploring a curious geological formation made up of ridges up to six feet in height for the last six months. Scientists theorize that the “boxwork” formations were ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

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Scientist analyzed molecules found on an ancient rock on the Red Planet Photo12/Universal Images Group via Getty A new study may bring scientists one step closer to answering the question of whether ...