A new study published as a preprint on arXiv suggests that advanced extraterrestrial civilizations might not need to surround ...

Black holes can release enormous energy through hot disks, surrounding plasma and powerful jets, enough to support a civilization far beyond ours. Any giant collector would release unused energy as ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

Most alien-signal searches listen to a narrow part of the radio spectrum, but astronomers are now testing higher frequencies that have barely been explored. ・A first search using archived ALMA ...

This segment of The Twilight Zone revival puts a sci-fi spin on the origins of the classic Christmas story, adding a layer of complexity to it.