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

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 ...

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

“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 ...

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

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

The James Webb Telescope has revealed fierce auroras, storms, and unchanging sand-like clouds on the rogue planet SIMP-0136.

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

Everyone's worried about AI taking their jobs, but one CEO says it's also going to create some bizarre new ones we can't even imagine yet. From digital personalities to dream analysis, the future of ...