Universe

Surprisingly, some worlds can survive being engulfed by a sunlike star when it swells to become a red giant

Scientific American co-presents a discussion about the past, present and future of the James Webb Space Telescope

Although Betelgeuse is currently a red giant star, astronomers millennia ago reported it as yellow

“Decolonizing” the search for extraterrestrial intelligence (SETI) could boost its chances of success, says science historian Rebecca Charbonneau

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