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News & Features
A large, gaseous planet orbits a star that should have destroyed it.
Discovery Alert: The Planet that Shouldn't Be There
With the discovery of six new exoplanets, scientists have tipped the scales and surpassed 5,500 exoplanets found (there are now 5,502 known exoplanets, to be exact).
Discovery Alert: With Six New Worlds, 5,500 Discovery Milestone Passed!
Stars farther from the center of our galaxy possess fewer of the most common types of planets, a recent study shows.
Discovery Alert: On Our Galaxy's Outskirts, a Poverty of Planets
Scientists used the Webb Telescope identified water vapor in the atmosphere of WASP-18 b, and made a temperature map of the planet as it slipped behind, and reappeared from, its star.
Discovery Alert: Webb Maps and Finds Traces of Water in an Ultra-hot Gas Giant's Atmosphere
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.
Astronomers Discover Planets in NASA Kepler's Final Days of Observations
New data from NASA's Webb space telescope reveals new details about a strange but common planet type, a 'mini-Neptune.'
NASA's Webb Takes Closest Look Yet at Mysterious Planet
An international team of researchers has used NASA’s James Webb Space Telescope to measure the temperature of the rocky exoplanet TRAPPIST-1 b.
Webb Measures the Temperature of a TRAPPIST-1 Exoplanet
The planet is rocky and almost precisely the same size as Earth, but whips around its star in only two days.
Webb Confirms Its First Exoplanet
A second Earth-sized world is found in habitable zone of a star with three previously known planets.
Second Earth-sized World Found in System's Habitable Zone
A previously discovered "hot Jupiter" appears to be spiraling into its star, new data shows.
Discovery Alert: For This Familiar Planet, a Death Spiral
Two exoplanets orbiting a red dwarf star may be "water worlds." They are 218 light-years away in the constellation Lyra, and are unlike any planet found in our solar system.
Two Super-Earths May Be Mostly Water
Webb's firsts keep coming: Observations of the exoplanet WASP-39 b show fingerprints of atoms and molecules, as well as signs of active chemistry and clouds.
NASA's Webb Reveals an Exoplanet Atmosphere as Never Seen Before
Explore Alien Worlds
Exoplanet Travel Bureau
This set of travel posters envision a day when the creativity of scientists and engineers will allow us to do things we can only dream of now.
Strange New Worlds
Explore an interactive gallery of some of the most intriguing and exotic planets discovered so far.
A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.