Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, according to Harvard astrophysicist Avi Loeb. The observation by Loeb, if ...

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"When you put it into context, Punctum is astonishingly bright." A bewilderingly powerful mystery object found in a nearby galaxy and only visible so far in millimeter radio wavelengths could be a ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a natural one — after making similar claims in in 2023 and 2017. "The ...

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A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

NASA scientists have confirmed that a mysterious object shooting toward us through the solar system is an "interstellar object" — only the third of its kind ever seen. Experts have also given the ...

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"This discovery could indicate a new type of physics or new models of stellar evolution." One of the strangest cosmic objects ever seen just got even weirder — NASA's Chandra X-ray telescope caught it ...