The potential for sending payloads and people to Mars is therefore becoming plausible in a way that it never has before. Mars ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

The liquid ocean on Jupiter’s moon Europa appears to be completely sealed off from the planet’s surface, which may reduce the ...

All the players who rocked our world, in the year of Oasis reunions, Black Sabbath farewells, and guitarists keeping their ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

On the frozen surface of Jupiter’s moon Europa, a strange, star-shaped scar has become an unlikely focal point in the search ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

Adam Sandler has plenty of geeky fans – but RadarOnline.com can reveal he has just alienated a massive swath of them by joking about UFO nuts. The comic, 59, has quipped alien sightings have ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

A new analysis of Saturn's moon Titan that reduced the odds of a subsurface liquid ocean has increased the chances of ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...