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

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

When the exploration of 3//ATLAS is likely to be at its most productive, the interstellar comet will be behind the sun. Space ...

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

Water found on Comet 12P/Pons-Brooks is "virtually indistinguishable" from water found on Earth. A "devil" comet's water is ...

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

NASA’s Hubble Space Telescope has captured the sharpest-ever view of the interstellar comet 3I/ATLAS, revealing clues about ...

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

Dr. Loeb first raised concerns earlier this month, noting an anomaly in the object's appearance. Unlike typical comets, which ...

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

The discussion underscored how citizen scientists, by contributing thousands of data points from around the world, are ...