The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The confirmed discovery of exoplanets revolutionized our understanding of the universe. Among the thousands of confirmed ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a glimpse into planetary types missing from our own solar system but common in the ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Mar. 11, 2025 — Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to ... Super-Earths and ...

NASA/Ames/JPL–Caltech A super-Earth that could explain the universe's mysterious lack of certain exoplanets has been found by NASA's Transiting Exoplanet Survey Satellite (TESS) and the planet ...

Their model explains this gap by predicting that planets smaller than 1.8 times the Earth's radius are mostly rocky super-Earths, while larger ones are water-rich mini-Neptunes, aligning closely ...