A mysterious object, 3I/ATLAS, is passing through our solar system. Renowned astronomer Avi Loeb believes it might be alien technology. Its size, composition, and trajectory are unusual. Upcoming ...

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

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

3I/ATLAS became the main character when it came hurtling into our solar system last year, so it’s only fitting it gets a dramatic backstory. After using the ALMA observatory in Chile to closely ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of 3I/ATLAS is shown as it passes near the Sun, illuminating one side of the comet. On the side of the ...

It turns out interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it ...

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 ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Comet 3I/ATLAS is continuing to surprise astronomers. New observations from the Atacama Large Millimeter/submillimeter Array (ALMA), of which the U.S ...

Interstellar comet contains an unusually high amount of methanol, and new data indicate that it was born in a very cold and ...

Long before 3I/ATLAS slipped through the inner solar system, its water had already recorded the kind of place it came from. That record now looks extreme. Astronomers studying the interstellar comet ...