Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

Amazon billionaire Jeff Bezos and wife Lauren Sanchez have added an out-of-this-world element to their $165 million Beverly Hills mansion: a UFO-shaped structure that is believed to serve as a custom ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

"The discovery of interstellar objects over the past decade offers new opportunities for humanity to send time capsules to ...

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

Harvard physicist Avi Loeb proposes using the interstellar comet 3I/ATLAS to rapidly deliver time capsules, reaching aliens ...

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

In the summer of 1977, while most people were listening to disco and trying to figure out Star Wars, NASA launched two small spacecraft called Voyager 1 and Voyager 2. They were simple-looking robots ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.