Lee said SETI’s paper could answer the Fermi Paradox, the idea that if the universe is billions of years old, where are all ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific ...

Two European Space Agency Mars-orbiting missions, the Mars Express and ExoMars Trace Gas Orbiter spacecraft, watched as a powerful solar "superstorm" that ravaged Earth also struck the Red Planet. The ...

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

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

A remarkably hardy bacterium can survive pressures similar to those generated when asteroid impacts blast debris off Mars, a new study has found, suggesting that microbes could endure interplanetary ...

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

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

You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your TV screen and wondering: Could something have lived there once? Now, after ...

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 ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...