Harvard astronomer Avi Loeb has long argued that interstellar object 3I/ATLAS, which has puzzled astronomers since its discovery in early July, could be an enormous, alien spacecraft, measuring up to ...

This might be more than a tail of fire and ice? Comet 3I/ATLAS has displayed a variety of atypical traits, from its bizarre trajectory through our solar system to a complex jet structure. Now, Harvard ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to follow the rules. Around Neptune in particular, a handful of newly charted ...

So what objects do we find in-between? Subscribe and join us weekly for astronomical facts and interesting science. If you ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

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 ...