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

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

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

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

The ATLAS theories are all over the map. With 3I/ATLAS slated to fly-by Earth tomorrow, theories over its nature have hit a fever pitch. A new study asserts that our interstellar visitor behaves like ...

A rare visitor from beyond our solar system, the interstellar comet 3I/ATLAS, is stirring up the astronomical community not just for what it is, but for what it appears to be doing. An unexpected ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Nov 17, 2025, 05:21am EST Nov 28, 2025, 12:25am EST A team ...

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Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of 3I/ATLAS, the brightest interstellar object ever seen, in detail. By measuring ...

It's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

3I/ATLAS is the gift that keeps on giving. Even after all of the hype has died down, after all of its weird-o behavior was proven to have not been of alien origin, it’s still being its weird-o self.