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

In July 2025, astronomers detected the third known interstellar object ever observed passing through our solar system—an ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

That’s the official word from NASA about an interstellar object known as 3I/ATLAS. The object, first identified by NASA’s Asteroid Terrestrial-impact Last Alert System in July, had scientists and the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial theories.

The comet 3I/ATLAS is taking a long holiday journey this year. It’s visiting from another solar system altogether. Those interstellar origins... What to know about the 3I/ATLAS comet and why people ...

This will be your best chance to see 3I/ATLAS in the night sky. Never-before-seen images of 3I/ATLAS capture the comet's ghostly beauty. Sorry to burst your bubble. The comet has reached ...

Observations of interstellar object 3I/ATLAS show increased water, carbon dioxide, and organic gas release after its passage near the Sun, based on data from NASA’s SPHEREx mission ...