In a cafe at CERN in 1992, three physicists realized they disagreed about how many constants are needed to describe all of nature. A recent paper suggests only one – time – is necessary.

Spacetime isn’t something that exists; it’s a model for describing how events happen. Treating events as objects creates philosophical confusion and fuels misconceptions, such as time-travel paradoxes ...

For decades, astronomers have been chasing unexplained bursts from the depths of space — powerful, fleeting, and precise. Could these “Wow-like” signals actually be traces of faster-than-light travel ...

It's been a long, strange trip for this universe we call home. Follow its development and take a peek at what's ahead with the Mysteries of Deep Space interactive timeline. Simply click on the ...

White holes are theoretical cosmic regions that function in the opposite way to black holes. Just as nothing can escape a black hole, nothing can enter a white hole. White holes were long thought to ...

Starlink satellites are visible from Earth, you just need to know when and where to look. Starlink satellite trains are a fascinating sight in the night sky. When the satellites are first deployed, ...