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 ...

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

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

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

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

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

No one knows where the comet came from. It’s like glimpsing a rifle bullet for a thousandth of a second,” said David Jewitt, ...

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

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