Analysis of the tail of 3I/Atlas reveals that it contains an anomalous proportion of methanol, a class of alcohol used in fuels.

Discover the rare interstellar comet 3I/ATLAS, captured by a Jupiter-bound spacecraft. Learn how this visitor from outside ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

“Observations of interstellar objects are still rare enough that we learn something new on every occasion,” said Shane Byrne, ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Comet 3I/ATLAS continues to make astonishing headlines, thanks to new findings from astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA). This new research reveals that 3I/ATLAS ...

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

The interstellar comet holds more alcohol than almost all known comets in the solar system.

Are we hitching our wagon to the wrong star? Harvard scientist Avi Loeb has slammed a seemingly far-fetched proposal to intercept interstellar comet 3I/ATLAS with a spacecraft, claiming that we’re ...

Learn how ALMA observations revealed unusually high levels of methanol in interstellar comet 3I/ATLAS and what the molecule’s chemistry may reveal about how icy bodies form around other stars.

The comet 3I/ATLAS is well on its way back into deep space, but the famous cosmic visitor continues to fascinate astronomers. Since its discovery in July 2025, researchers have spent months observing ...