The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

There has to be recognizable life out there, somewhere close enough we can find it. That's the idea behind SETI, and also the huge new alien-hunting Five-hundred-meter Aperture Spherical Telescope ...

A NASA spacecraft designed to hunt for signs of extraterrestrial life has turned its lens toward comet 3I/ATLAS — but not for the reason you might think. The spacecraft just happened to be in the ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. When you purchase through links on ...

The All-Seeing Eye, which came into operation in the 2070s, was by far the largest and most powerful optical instrument ever built. Comprising eight telescopes built across the entire lunar surface, ...