In late November, Kelly (D-Ariz.) and five other Congressmen who have served in the military participated in a 90-second ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Physicists discovered that the famous ‘Star Trek’ spaceship got a lot right about designing a ship to jump from galaxy to ...

Resolve to read more books in 2026—and start right here with io9’s first list of the year rounding up all the new sci-fi, ...

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

Scientists are constantly pushing the boundaries of knowledge and possibility. Over the last year, research teams around the ...

Gil Gerard, the actor, who has died aged 82, became a heart-throb in the 1970s as the eponymous time-travelling hero of Buck Rogers in the 25th Century. Gerard brought a relaxed, wise-cracking charm ...

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...

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