There's been a lot of hype and rumours about alien comet 3I/ATLAS lately. So, where is it now, what did it look like when it passed Mars and through its closest distance to the Sun, when will it ...

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently screaming through the solar system at incredible speed — could be an ...

A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects, chunks of rock or ice from other star systems, than anyone realized. Avi Loeb, who made ...

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 ...