Super-Earth Exoplanets
News & Articles
![Artist's concept shows a full disk of imagined planet Vulcan, predominantly light brown with patches of gray-green, against the black background of space.](https://science.nasa.gov/wp-content/uploads/2024/05/vulcan-1280.png?w=4096&format=png)
Discovery Alert: Spock’s Home Planet Goes ‘Poof’
4 min read
The discovery A planet thought to orbit the star 40 Eridani A – host to Mr. Spock’s fictional home planet,…
Article1 month ago
![Illustration of a rocky exoplanet and its star. The star is in the background at the lower left and appears somewhat, but not significantly, smaller in the sky than the planet. It has a bright orange-red glow, and appears to have an active surface. The planet is in the foreground to the upper right of the star. The left quarter of the planet (the side facing the star) is lit, while the rest is in shadow. The planet has hints of a rocky, partly molten surface beneath the haze of a thin atmosphere. The boundary between the day and night sides of the planet is fuzzy.](https://science.nasa.gov/wp-content/uploads/2024/05/webb-stsci-01hwqz51tykxttfapc9rq0fnje.png?w=4096&format=png)
NASA’s Webb Hints at Possible Atmosphere Surrounding Rocky Exoplanet
7 min read
Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet…
Article2 months ago
![](https://science.nasa.gov/wp-content/uploads/2024/01/toi715b1280-illo.jpg?w=4096&format=jpeg)
Discovery Alert: A ‘Super-Earth’ in the Habitable Zone
4 min read
A newly discovered 'super-Earth' dwells in the habitable zone of its parent star – and might have a roughly Earth-sized…
Article5 months ago
![](https://www.nasa.gov/wp-content/uploads/2023/11/1-neptune-artists.webp?w=4096&format=png)
NASA Data Reveals Possible Reason Some Exoplanets Are Shrinking
6 min read
A new study could explain the ‘missing’ exoplanets between super-Earths and sub-Neptunes. Some exoplanets seem to be losing their atmospheres…
Article8 months ago
![Where the Sun Sets Twice (Artist Concept)](https://science.nasa.gov/wp-content/uploads/2023/09/PIA14724_ip-1.jpg?w=4096&format=jpeg)
Strange New Worlds
1 min read
A world with two suns, a lava planet, and a world trapped in eternal darkness are just some of the…
Topic
![In this illustration super-Earth Kepler-138 d is in the foreground. To the left, the planet Kepler-138 c, and in the background the planet Kepler 138 b, seen in silhouette transiting its central star.](https://science.nasa.gov/wp-content/uploads/2023/09/waterworlds1280.jpg?w=4096&format=jpeg)
Two Super-Earths May Be Mostly Water
5 min read
Two exoplanets orbiting a red dwarf star may be "water worlds." They are 218 light-years away in the constellation Lyra,…
Article2 years ago
Multimedia
![](http://images-assets.nasa.gov/image/PIA22069/PIA22069~medium.jpg)
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