Solar storms around distant stars may be erasing alien radio signals before we ever hear them In A Nutshell Stellar winds and ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough weirdness to ignite a familiar debate: is it natural or could it be ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.