Some still question the origins of the strange steel ball a Florida family found on their property in 1974. Could it be alien technology? The military—and even ufologists—examined the sphere and said ...

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

In 1974, a Florida family found a polished metal sphere in the ashes of a fire. It rolled, spun, and pulsed with a life of its own—terrifying scientists and sparking theories of alien tech. Senate ...