A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

The James Webb Space Telescope has changed the game for planet hunters. Recent readings found what look like the first clues ...

“These microbes, if we found them, would be anaerobic,” Schwieterman explains in the release, meaning the microscopic organisms don’t require oxygen to grow. “They’d be adapted to a very different ...

Astronomy news today is packed with discoveries about the Sun, including tiny solar loops and hidden engines that drive solar ...

Technological limitations for manufacturing large, round telescopes has experts considering unconventional shapes to improve our search for habitable worlds.

Thirty years ago, astronomers didn’t know if planets around other stars were common. Today, NASA says we’ve confirmed 6,000 exoplanets — a staggering number considering the first definitive discovery ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New ...