A giant planet may be orbiting the nearest Sun-like star to Earth, and the discovery is sparking excitement across the astronomy world. Using the James Webb Space Telescope, researchers have detected ...

Astronomers from the University of Geneva, working with colleagues in Canada and the United States, have captured the clearest view yet of an exoplanet losing its atmosphere into space. Using the ...

Astronomers have discovered that a gigantic planet has been hiding a 350,000-mile-long tail as its atmosphere seeps away. The exoplanet known as WASP-69 is gargantuan—roughly the size of Jupiter, the ...

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

A team of astrophysicists and citizen scientists have identified what may be some of the last planets NASA’s retired Kepler space telescope observed during its nearly decade-long mission. The trio of ...

Astronomers have reportedly narrowed the search for extraterrestrial life to a focused list of 45 rocky exoplanets. Out of ...

A "domino effect" may occur in star systems whereby newly formed planets close to a star help shepherd dust and gas to create more planets farther out in the system. Astronomers using a mountain ...