3I/ATLAS, interstellar comet or alien spacecraft, will fly by Mars in October 2025. It will give space scientists a rare chance to study material that may be older than the solar system. The European ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

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 ...

3I/ATLAS captured the world's attention last month as the comet raced past the Earth, but some believed that it could have been an "alien spacecraft" reaching us ...