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

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

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

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

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

A Harvard astronomer is suggesting that an interstellar object nearing Earth could be an engineered object — rather than a ...

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

Scientists are investigating more details about a 'potentially hostile alien threat' moving through our solar system ...

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

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

I/ATLAS is just the third recorded interstellar object to enter the solar system. However, the scientific consensus is that ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. Video above: ...