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 ...

As best the origins of Earth are understood, we're all just a bunch of stardust, and new observations from the JWST lend credence to that theory.

Daylight saving time ends tomorrow. The decrease in daylight can be destabilizing — and clarifying.

Last year, the Arizona Cardinals were the NFL's most efficient team on screen passes. This year, they're the league's least efficient on those plays.

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

Archaeologists have studied how astronauts use the International Space Station to improve its potential future successors.

A new theory says personal change is like geographical exploration. Just as maps expand when new lands are discovered, our ...

Time now for an interstellar flyby. Let's meet a very old comet, 3I/ATLAS. DARRYL SELIGMAN: 3I/ATLAS is probably somewhere between 3 billion to 11 billion years old. So it's presumably been traveling ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

Astrophysicists at the University of Chicago have developed physics-based models suggesting that dark energy could be changing over time. Dark energy, the mysterious force causing the universe to ...

Did you know it rains on the Sun? Not water, of course. It's solar rain, which occurs in the Sun's corona, the outermost ...

Costco’s $3,000 ReadyWise kit isn’t your typical bulk buy — it includes 38 buckets of freeze-dried, shelf-stable meals that ...