While 2025 saw a record number of launches —including crewed exploration, science missions, and even an historic first ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

The Perseverance rover has been exploring the Jezero Crater for years, and it's finally found a potential meteorite, now ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

This story has a cosmic Santa, Grinch-like aliens, and other delightfully cringe elements. What’s so odd about a Star Trek Christmas story? It’s odd because Star Trek, as a franchise, has gone out of ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from one of our Milky Way galaxy's most ancient stars, one that formed long before ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Any chance we get to send Jess Ripper out to take photos of Avatar, we’ll usually take it. I always say you should try to write about or take photos of a subject you enjoy and she enjoys Avatar. You ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...