Scientists combine observations from Mars missions to get the clearest and most accurate track of 3I/Atlas so far.

New images of the mysterious 3I/ATLAS taken by everyday people have been released as the United Nations prepares for a global ...

For several months, an ancient voyager unlike any other before has been visiting our small patch of the universe. In calling our visitor ancient, we ...

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

Comet 3I/ATLAS is cutting across the solar system on a trajectory that does not quite match expectations, threading past the ...

Danny Ford hopes that Fraser Bowes can be latest Australian to star for the Poole Pirates when he rides for the team in 2026.

Key Findings The tail shouldn't exist at that distance. The mass loss exceeds what the object can afford to lose. What we're ...

When a faint green smudge appeared in images from a backyard telescope in Aguadilla, Puerto Rico, on Nov. 22, 2025, astronomers did not expect it to upend basic assumptions about how comets work. Yet ...

The official UN/IAWN document confirms the interstellar comet 3I/ATLAS is the target of a formal planetary-defence exercise.

The number 40,000 might not sound particularly dramatic, but it represents humanity's growing catalog of near-Earth asteroids ...

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

Most comets show green or blue light near sunlight. This colour comes from gases reacting to ultraviolet exposure. But Comet ...