The interstellar comet 3I/ATLAS changed significantly as it flew by the sun last fall, astronomers have discovered.

A comet born around another star is carrying methane, and the chemical details of that methane are unlike anything ...

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

Interstellar comet 3I/ATLAS showed changing chemistry near the Sun, revealing clues about its internal structure and offering ...

Interstellar comet 3I/ATLAS showed changes in its gas composition after passing close to the sun, offering data on its ...

"We estimated an outflow from the comet's nucleus of about two tons per second, equivalent to approximately 70 Olympic ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Spielberg even went so far as to hire a screenwriter to work on the film: Nolan’s brother Jonathan, acclaimed for his work on ...

Using NASA's Chandra X-ray space telescope, astronomers have performed high-resolution X-ray spectroscopic observations of a ...