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 ...

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

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

Astronomers have spotted only three objects known to have come from outside our solar system. The newest, called 3I/ATLAS, is already raising eyebrows. First seen this summer, it doesn’t quite behave ...

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

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

Harvard astronomer Avi Loeb and his colleagues suggest the possibility interstellar space object 3I/ATLAS is generating "its ...

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

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

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

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...