Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and ...

From utopian dreams to dystopian warnings, time travel fiction reflects our hopes and fears for humanity’s future. Courtesy the publishers For decades, authors and readers have been asking questions ...

Time travel has long lived in the realm of science fiction, but a growing body of physics research now argues that journeys into the past might fit inside known laws of nature without tearing ...