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

Experts have determined it to be a "super-puff," an exoplanet with a large but extended atmosphere. The most noteworthy ...

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

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 ...

That's a big deal, as "PLATO is on track for the final key tests to confirm that it is fit for launch," ESA officials wrote ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s concept shows how they range in size and composition, although scientists ...

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