In the 1920s, Albert Einstein and one of his former students developed a way to keep food cold using heat. It was designed to ...

The findings resolve a long-standing problem in fundamental physics. Scientists at Hiroshima University have created a practical and highly sensitive method for detecting the Unruh effect, a ...

Einstein’s theory of relativity reveals a mind-bending truth – in the right conditions, time itself slows down. This isn’t ...

As a climate scientist and CEO of a climate technology company, I should be great at choosing vacation destinations with ...

On September 14, 2015, a signal arrived on Earth, carrying information about a pair of remote black holes that had spiraled ...

Ten years ago, astronomers made history when they first detected ripples in spacetime, called gravitational waves, from the ...

The professor emeritus at Kyoto University wrote many books introducing the beauty of space and physics to general readers.

Science is a story of coming up with theories then doing our best to disprove them. That is especially true for theories on a ...

Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or a dynamic fabric reveals deeper mysteries about existence, change, and the very nature of ...

Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever ...

As a massive black hole located 55 million light-years from Earth, the black hole at the center of M87 has a mass equivalent ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...