"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

Super-Earths and Mini-Neptunes: More Earth-Like Planets May Exist Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

Earth is not ... trillions of other planets in our galaxy, the Milky Way (which itself is one of hundreds of billions of other galaxies in the universe). But finding such extrasolar planets ...

Extrasolar planets contextualise the Solar System among a large number of planetary systems with very different properties. Many extrasolar planets show characteristics which are not realised in the ...

Large and small planets are born from very different circumstances, according to data from NASA’s now-retired space telescope ...

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...