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Exoplanet News

Six "sub-Neptunes" orbit their star in a kind of rhythmic dance – one easily set to music.

Discovery Alert: Watch the Synchronized Dance of a 6-Planet System

Discovery Alert: Watch the Synchronized Dance of a 6-Planet System

Scientists find that a glowing cloud that obscured a star was caused by a cataclysmic collision of two giant exoplanets.

Discovery Alert: Glowing Cloud Points to Cosmic Collison

Discovery Alert: Glowing Cloud Points to Cosmic Collison

A large, gaseous planet orbits a star that should have destroyed it.

Discovery Alert: The Planet that Shouldn't Be There

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!

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

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

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

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

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

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

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

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

Discovery Alert: For This Familiar Planet, a Death Spiral

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.

Historic Timeline

A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.