Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That ...

UFO disclosure has been all the buzz on social media, amid the death or disappearance of at least 12 scientists in the USA ...

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

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

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

In addition to fleshing out 3I/ATLAS’s lonely backstory, it’s also a clue about how other star systems form. Study coauthor ...

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

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

A comet from another star system is carrying water unlike anything astronomers have seen before. The interstellar visitor ...

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

Missing US scientists’ mystery: Harvard astrophysicist Avi Loeb urges caution regarding a series of unexplained deaths and ...

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