A black hole detector on Earth could find aliens piloting huge spacecraft – by looking for the trademark 'gravity waves' emitted when accelerating a mass the size of Jupiter. Researchers believe it ...

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 ...

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 ...

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 ...