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

"It was just a matter of time before we found them." ...

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

“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 ...

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 ...

Hot, small and old—exoplanet TOI-561 b is just about the worst place to look for alien air. Scientists using JWST found it there anyway ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The idea is based on the Fermi Paradox, which questions why we haven't yet detected signs of intelligent extraterrestrial ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas giants hugging their stars to planets covered in lava or clouds of gemstones, ...

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

A new theory from a scientist working with NASA, raises a surprising question about extraterrestrial life and why they might have stopped reaching out to humanity altogether.