In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

Last month, astronomers made an exciting discovery, observing an interstellar object — only the third of its kind ever ...

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, ...

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is ...

A mysterious interstellar comet named 3I/ATLAS is hurtling toward our solar system — and it's unlike anything we've seen ...

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Avi Loeb, the Harvard theoretical physicist who has drawn attention for suggesting comet 3I/ATLAS may be alien-made, is sharing a new thought: The interstellar object could be nuclear-powered, based ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...