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

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

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

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

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

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

Interstellar object 3I/ATLAS shows an unexpected frontal glow that Harvard's Avi Loeb says cannot be explained by sunlight ...

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

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

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

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 ...