A Star Trek-style detector that hunts for ripples in space-time could spot alien spaceships darting through the Milky Way using 'warp drive,' according to new research. Researchers at several US ...

Add Yahoo as a preferred source to see more of our stories on Google. Could huge alien spacecraft offer a new way to detect intelligent life? (Getty Images) (gremlin via Getty Images) A black hole ...

A lot of serious scientists are searching for signs of alien life. Most of them are looking really, really far away—often in other star systems. But Harvard physicist Avi Loeb is looking nearby, in ...

The device is named LIGO (Laser Interferometer Gravitational-Wave Observatory) LIGO can sense gravitational waves and identify alien mega-technology The alien spacecraft need only come within about ...