Scientists say the colour shift in interstellar comet 3I/ATLAS is due to gases in the comet's coma reacting to solar heat.

The term cryovolcanism is derived from the words from Latin and Greek, "cryo" and "volcano". This is a word that describes a ...

The arrival of a visitor from beyond our solar system is a cosmic event of staggering rarity, yet it has just happened for ...

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

The ESA said that its JUICE team was surprised to see the "very clearly visible comet, surrounded by signs of activity." ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its close pass by Earth.

An interstellar comet racing through the inner solar system is giving scientists a rare chemical snapshot of material formed around another star, with early findings showing an unexpectedly low water ...

ESA's Juice spacecraft has captured striking new images of Comet 3I/ATLAS, revealing its active coma and distinct plasma and ...

There's been a lot of speculation recently about interstellar visitor 3I/ATLAS—much of which is probably caused by ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until late ...