An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

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 ...

It's a great new look at an intriguing region called Arabia Terra.

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

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

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.

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 ...