Universe

Although modest in scope, a NASA research project reflects shifting attitudes toward the formerly taboo subject of UFOs

Astronomers and the public alike are delighting in the glittering depths of the universe revealed by the James Webb Space Telescope

Deep-field images of “empty” regions of the sky from JWST and other space telescopes are revealing more of the universe than we ever thought possible

Jane Rigby, Webb’s operations project scientist, discusses how NASA plans to wring as much science as possible from the $10-billion observatory

By finding and studying the universe’s oldest objects, we can reveal hidden fundamental chapters of cosmic history

A new demonstration of these exotic constructs could help bridge classical and quantum physics

Vast reaches of mostly empty space could offer superior odds for detecting the invisible substance thought to make up more than 80 percent of the material in the universe

Once considered practically unseeable, a phenomenon called the Unruh effect might soon be revealed in laboratory experiments

A structure that links amino acids suggests that early organisms could have been based on an RNA-protein mix

The physics Nobelist and author has not exactly found religion—but that doesn’t mean he’s stopped looking

THESAN—the largest, most detailed computer model of the universe’s first billion years yet made—is helping set expectations for observations from NASA’s James Webb Space Telescope

Using a technique to block certain wavelengths of light, researchers hope to discover many more hidden pulsars