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

Scientists studying 3I Atlas detected strange and unexplained behavior that is beginning to raise serious questions among ...

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

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 ...

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 ...

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 ...

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 ...

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

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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 ...