Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

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 ...

There have been multiple conferences marking the Warminster Thing in the decades since, including in 2025. One of the ...

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 interstellar space." ...

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

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 ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...