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

Just two decades after astronomers discovered the first exoplanet, NASA has confirmed the existence of 6,000 alien worlds.

The discovery of the "hot Jupiter" exoplanet 51 Pegasi b on Oct. 6, 1995 changed the course of astronomical history.

Using the European Southern Observatory 's (ESO) Very Large Telescope (VLT), astronomers have caught it pulling in gas and ...

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to ...

Much like the murky waters of the deep ocean, the unpredictable fluidity of Earth’s atmosphere can distort any light that ...

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like ...

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

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

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 ...

Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...