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

The enigmatic interstellar object, known as 3I/ATLAS, that's currently traversing our solar system is "generating its own ...

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

A Harvard scientist has suggested that an interstellar object passing through the solar system might be a nuclear-powered alien spaceship. Most astronomers believe the object, dubbed 3I/ATLAS, […] ...

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

3I/ATLAS was discovered by NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS) on 1 July, and is just the third ...

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

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

A mystery object tearing towards Earth at break-neck speed has raised fears that aliens are on their way here.

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

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

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