From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

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 ...

For 10 months, a SETI Institute-led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Medney (" Beyond Kuiper ") and co-author Don Macnab-Stark have crafted an intelligent examination of the human condition in the 23rd century as it surges into an existential era of decision, and we’ve ...