Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.
Spotted by astronomers last month, interstellar object 3I/ATLAS [NASA] is the third object from beyond that we've detected passing through the solar system. Given that its trajectory does not ...
An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...
Before collecting any fragments of alien spaceships, you must complete a routine safety assessment – according to the UFO ...
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 ...