Professor Brian Cox debunks rumours that the interstellar object 3I/ATLAS is an alien spacecraft, explaining why the 7-billion-year-old comet is a 'fascinating' natural phenomenon.

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter ...

In late 2026, a spacecraft launched in the 1970s will reach a distance from our planet that once belonged purely to science ...

NASA has lost contact with its MAVEN spacecraft that launched from Florida and has been orbiting Mars for more than a decade.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

Physicist Avi Loeb claims the government conceals information about interstellar objects to cover up its own failure to do its job ...

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

Supergirl star Milly Alcock has dropped a big spoiler for the upcoming DC Studios movie, while filmmaker Craig Gillespie ...

Interstellar object 3I/ATLAS is making its closest approach to Earth in just over a week from now, coming within 167 million ...

Voyager 1 will reach one light-day from Earth in 2026, marking a first for any spacecraft as it continues its journey through ...