The path of a gravitational wave passing near a galaxy can be bent, producing multiple signals that could help next-generation detectors measure the expansion of the Universe.
Director of the Pentagon s UFO unit and former Harvard Astronomy Department Chair have co-authored paper saying alien motherships could be flying through our solar system.
Warp drives: Physicists give chances of faster-than-light space travel a boost | Human World earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.