Using the James Webb Space Telescope (JWST), astronomers have discovered a fourth world in a strange system of ultralight "super puff" planets. The new extrasolar planet or "exoplanet" was discovered ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

The unusual system of three “super puff” planets has at least one more planet, revealed by its gravitational tug on other planets An unusual planetary system with three known ultra-low density ...

How many exoplanets are in the cosmos and what can they tell us about planetary formation and evolution? This is what a recent study published in The Astronomical Journal hopes to address as an ...

Data from the Kepler project has confirmed a new world that fulfills the telescope's goal of locating Earth-sized planets ...

Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...

Astronomers and philosophers have long speculated on the possibility of planets orbiting distant stars. In the 1990s the first of such objects, now called exoplanets, were discovered by astronomers.