Our time with our interstellar visitor, comet 3I/ATLAS, is almost up. It’s set to leave the solar system soon, after zipping ...

Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

Comet 3I/ATLAS continues to be found exceptional. The third known interstellar object is a weird comet, with many properties ...

New observations of the interstellar comet 3I/ATLAS include the first measurement of the abundance of deuterated water ...

Using the Atacama Large Millimeter/submillimeter Array (ALMA), scientists have discovered that the interstellar invader comet ...

New observations of interstellar comet 3I/ATLAS show high levels of deuterated water, suggesting it formed in a colder star ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that ...

A new intriguing study of the interstellar visitor 3I/ATLAS has revealed that the object’s chemical composition shifted ...

A new study of the interstellar comet 3I/ATLAS led by the University of Michigan shows that its water has a remarkably high ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Scientists observe interstellar comet 3I/ATLAS releasing massive water vapor near the Sun, revealing clues about material ...