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Exoplanet Watch

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Exoplanet News

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

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

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

NASA's Webb Reveals an Exoplanet Atmosphere as Never Seen Before

New observations show that a previously identified exoplanet, TOI-1075 b, is among the most massive super-Earths found so far.

Discovery Alert: Massive Planet is a 'Hulk' among Super-Earths

Discovery Alert: Massive Planet is a 'Hulk' among Super-Earths

A new study of the "super-Earth" GJ 1252 b shows that the planet likely has a very minimal atmosphere or, possibly, no atmosphere at all.

Discovery Alert: Ultra-hot 'Super-Earth' Could Have No Atmosphere

Discovery Alert: Ultra-hot 'Super-Earth' Could Have No Atmosphere

A newly discovered 'super-Earth' lies in the habitable zone around its star, and appears to be in a prime position for further atmospheric investigation.

Discovery Alert: A Rocky 'Super-Earth' in the Habitable Zone

Discovery Alert: A Rocky 'Super-Earth' in the Habitable Zone

Webb ushers in a new era of exoplanet science with the first unequivocal detection of carbon dioxide in a planetary atmosphere outside our solar system.

Webb Sees Carbon Dioxide in Exoplanet's Atmosphere

Webb Sees Carbon Dioxide in Exoplanet's Atmosphere

A "super-Earth" discovered using the TESS satellite might be a "water world," though more observations are needed.

Discovery Alert: Intriguing New ‘Super-Earth' Could Get a Closer Look

Discovery Alert: Intriguing New ‘Super-Earth' Could Get a Closer Look

The James Webb Space Telescope will examine the "lives" of exoplanets, from formation through maturity and eventual demise.

Exoplanets: What NASA Will See with the Webb Telescope

Exoplanets: What NASA Will See with the Webb Telescope

Webb captured the distinct signature of water, along with evidence for clouds and haze, in the atmosphere surrounding a hot, puffy gas giant planet orbiting a distant Sun-like star.

Webb Reveals Steamy Atmosphere of Distant Planet in Detail

Webb Reveals Steamy Atmosphere of Distant Planet in Detail

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.