NASA's SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has ...

A Harvard scientist has ignited a flurry of speculation and scientific inquiry by suggesting that an interstellar object on course for Earth might be nuclear-powered. This intriguing hypothesis has ...

Add Yahoo as a preferred source to see more of our stories on Google. This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope’s Wide Field Camera, July 21, 2025. (photo ...

It's probably a comet, but it might be some sort of ancient alien spacecraft or probe. What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and ...

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