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

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

The fastest interstellar object continues to be bizarre; is it rotating weirdly or is something off about its surface?

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

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

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

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

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An unidentified object originating outside the solar system is expected to travel past Earth in the coming months. The Guardian reports that the interstellar object is travelling towards the sun at a ...

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 ...

What is the difference between a mountain and a pebble when it’s whizzing by at 210,000 kilometers per hour?” For astronomers ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar object 3I/ATLAS is roughly 7 miles wide, making it the largest of its kind ...