A provocative latest essay by Harvard astrophysicist Avi Loeb has reignited debate over whether interstellar objects passing ...

On a single day last November, two spacecraft millions of kilometers apart turned their ultraviolet eyes toward the same ...

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 ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard astrophysicist Avi Loeb points to its unusual trajectory and composition as ...

NASA’s Europa Clipper and ESA’s JUICE captured opposite sides of interstellar comet 3I/ATLAS at the same time, revealing strange chemistry inside it.

The ATLAS theories are all over the map. With 3I/ATLAS slated to fly-by Earth tomorrow, theories over its nature have hit a fever pitch. A new study asserts that our interstellar visitor behaves like ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered in July when it was just inside Jupiter’s orbit. It’s now about halfway ...

Astronomers studying the interstellar visitor 3I/ATLAS have discovered the comet is unusually rich in alcohol — a chemical clue that could reveal how planets and icy bodies form around other stars.