After years of hunting with NASA’s Kepler spacecraft, researchers announced last week they’d discovered the most Earth-like other worlds yet. Of course, we have no way of getting to any of these other ...

NASA has released two horror movie-style posters for Halloween, celebrating two real exoplanets where the conditions would be frightful for any human. The agency has also made them downloadable so you ...

Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" derives from the term "extrasolar planet," which hints at its existence beyond ...

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, ...

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

NASA announced on September 17, 2025, that its tally of planets outside our solar system has reached 6,000. And this milestone comes just over three decades since the first exoplanets were found. NASA ...