New images released by the European Space Agency picture a shadowy presence spreading across the surface of Mars.

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

At IGN Live last year, Chief Product Officer TQ Jefferson talked about how Alien: Isolation influenced the development of ...

NASA’s Curiosity rover has come across the best proof that there was once life on Mars. The discovery from a rock sample ...

Starlight has been the key to finding thousands of exoplanets over the past decade, but researchers have found a new way to ...

Thousands of feet below the surface, the Antarctic seafloor is a time machine to another realm. Here’s how one scientist ...

A throwaway line about Vulcan sparked decades of debate, until one clever theory finally made it official canon.

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Using JWST data, an international team has, for the first time, successfully mapped the climates of two rocky exoplanets with ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...