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

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

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

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

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

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

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

NASA has shared new details about 3I/ATLAS. It is an interstellar object moving at 209,000 km/h. Hubble images show it is ...

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