The first interstellar object to visit the solar system may have been a fragment of an icy exoplanet, research suggests. When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined ...

Astronomers continue to track the third-ever discovered interstellar object, comet 3I/ATLAS, using powerful telescopes and spacecraft as it moves through our cosmic neighborhood. Just last week, the ...

On July 1, the Asteroid Terrestrial-impact Last Alert System (ATLAS) detected what was first believed to be an asteroid. As calculations for its orbit progressed, it was found to be from outside our ...

The Very Large Telescope (VLT) detected significant nickel vapor but almost no iron in the interstellar 3I/Atlas comet. Having nickel without iron is not a chemical signature found in known natural ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

Scientists have issued a chilling update on the interstellar object that is currently hurtling through our solar system. The enormous comet, dubbed 3I/ATLAS, was first picked up by a NASA telescope on ...

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the week. Spotted in early July, the object, dubbed 3I/ATLAS, is widely believed to be a comet. It's ...

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...