Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

The vast, seemingly empty gulf of space occasionally tosses us a gift — a visitor from beyond the confines of our own Solar System, a true cosmic stranger. These interstellar travellers are the rarest ...

An extraordinary visitor from beyond our solar system, the interstellar comet 3I/ATLAS, is baffling scientists as it streams out carbon-rich chemical compounds at a rate rarely seen in our own cosmic ...

Forget aliens lurking in the shadows of some distant planet; astronomers are transfixed by one that's just blazed into our solar system from the cosmic void. This comet is an object so profoundly rare ...