Scientists studying 3I/ATLAS have spotted unusually slow gas around the interstellar comet, offering fresh clues about its ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

Benevolent interloper or interstellar poison pill? With 3I/ATLAS set to fly by Earth in two weeks, Harvard professor Avi Loeb is debating whether our interstellar visitor is friend or foe — an answer ...

NASA’s Lucy spacecraft, which is investigating a group of asteroids that share Jupiter's orbit around the sun, snapped this image on September 16 as 3I/ATLAS approached Mars. NASA / Goddard / SwRI / ...

Gas leaving the interstellar comet 3I/ATLAS moves at roughly half the speed of gas coming off Solar System comets at the same ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

NASA has released a long-awaited collection of new photos of comet 3I/ATLAS, the interstellar visitor that has been making headlines since its discovery in July. Several NASA spacecraft snapped the ...

Comet 3I/Atlas is now heading out of the solar system and into interstellar space, but scientists are still analyzing the data it left behind as it passed through our cosmic neighborhood. A new study, ...

More than tenfold: That is the reported deuterium difference between water in interstellar comet 3I/ATLAS and water measured ...

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Comet 3I/ATLAS—the third interstellar object ever known to pass through ...