Startup Valar Atomics said on Monday that it achieved criticality—an essential nuclear milestone—with the help of one of the country’s top nuclear laboratories. The El Segundo, California-based startup, which last week announced it had secured a $130 million funding round with backing from…

Scientists have developed a new way to hunt for hidden signals of past life, and say it could assist in the search for extraterrestrial organisms on other planets.
Using cutting-edge chemical techniques paired with artificial intelligence, researchers found evidence of ancient life in…

Grey hairs could be the scars left by our bodies’ war against cancer, a new study has found.
Recently published in Nature Cell Biology, the study looked into how the cells responsible for the pigments in our hair and skin ‘self-destruct’ when damaged, as part of our body’s efforts to…

Everyone has looked up at the clouds and seen faces, animals, objects. Human brains are hardwired for this kind of whimsy. But some people –…

A new generation of laboratories orbiting the Earth in space could offer hope for motor neurone disease (MND) sufferers, with scientists…

Wrapping up 204 days in orbit, three Chinese astronauts flew back to Earth aboard a Shenzhou spacecraft Friday, leaving three crewmates behind on the Tiangong space station with a busted lifeboat.
Commander Chen Dong, concluding his third trip to space, and rookie crewmates Chen Zhongrui and Wang…

Whether it was caused by a night out with friends, a crying baby, or plain old insomnia, we all know that lack of sleep affects our…