For a few years now, Alan Ritchson has established himself as an action star in the mold of someone like Arnold ...

Hollywood is experiencing a noticeable shift in how it portrays UFOs and extraterrestrial life. After decades of depicting aliens as invaders, monsters, or existential threats in f ...

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.

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 sifting through the extensive data collected by NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft over the last decade, scientists discovered a familiar type of electromagnetic ...

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.

In this age of Mars rovers, questions about the planet's ancient past have shifted. A growing body of evidence supports the ...