Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research is pushing astronomers to look instead at the loudest neighborhoods in the ...

A mysterious object speeding across the universe might look like a UFO, but the real story is even more fascinating.

The Dyson sphere is a hypothetical artificial structure proposed by physicist Freeman Dyson in 1960, which would cover a star with a structure and directly harness its energy. However, no matter how ...