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

Astronomers have a new theory about planetary formation, and it revolves around one mysterious concept: interstellar visitors. No, not little green men, but rather deep-space wanderers like the ...

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

An unexpected guest has made its way into our Solar System. It’s an interstellar object, an ISO. And it’s tumbling through ...

The space rock 3I/ATLAS is only the third confirmed interstellar object discovered by astronomers, following 'Oumuamua and the comet Borisov. While astronomers are still busily collecting data on the ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

NASA's SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has ...

3I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph ...

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

A rendering of what voyagers can expect to see under their VR headsets at Interstellar Arc. Photo Credit: Felix & Paul Studios The Diplomat, a blue fox with empathetic eyes and a gentle demeanor, ...