Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

December 20, 2025, will be remembered as a turning point in the chronicles of space exploration, forever altering humanity’s ...

The Meteosat Third Generation – Imager 1 (MTG‑I1) view, captured at 6am UK time, shows the planet’s day–night terminator ...

The hours following sunset on Dec. 25 offer a wealth of naked-eye astronomy targets that can put even the most glitzy Christmas lights to shame, especially when viewed from a dark sky location.

Is 3I/ATLAS a scientific wonder or a catalyst for space war? The interstellar visitor is sparking a quiet arms race among ...

The activist group that calls itself Prutehi Guåhan is hosting a second community comment workshop to help residents prepare ...

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

The Age of Disclosure director Dan Farah doesn't just contend that aliens are real. His film makes a fascinating case that ...

It's been an bumper year for movies, but chances are you haven't seen them all. Esther McCarthy suggests 20 highlights right ...

Get the latest update on Comet 3I/ATLAS as it makes a close approach today, including what it means and why skywatchers are ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...