Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a ...

If dark stars existed, they would have been capable of forming in the universe before ordinary stars could have formed. When ...

The coldest and densest molecular gas clouds in the interstellar medium can have temperatures of 10 K (-505 °F/-263 °C), ...

Scientists are studying bees’ surprising maths skills to explore whether numbers could be a universal language for ...

The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

A team of international researchers, led by a University of British Columbia astrophysicist, has discovered a young galaxy ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

In this season of reflection, it's awe-inspiring to consider how so much is still beyond our scientific understanding — from the big questions of the origins of the universe and life, to the more ...

In 1914, Srinivasa Ramanujan arrived at Cambridge with a notebook filled with 17 extraordinary infinite series for 1/π. They were strikingly efficient, producing accurate digits of the world’s most ...

PRAGERU: As artificial intelligence transforms the world, it’s triggering an unprecedented demand for energy. So where will that power come from—and what does it mean for America’s future? Mark Mills, ...