Find out everything there is to know about planets and stay updated on the latest planet news with the comprehensive articles, interactive features and planet images at LiveScience.com. Learn more about space and the solar system as scientists continue to make amazing discoveries about planets.
New research finds that certain large exoplanets are shrinking due to internal processes, creating an abundance of rocky 'super-Earths'.
The Red Planet has reached solar conjunction as its orbit takes it to the far side of the sun and out of sight. NASA's Mars robots are on their own until Nov. 25.
Clouds of silicate sand exist high in exoplanet WASP-107b's atmosphere, new James Webb Space Telescope observations reveal.
Scientists just observed Mars' eerie green nightglow in the visible light spectrum for the very first time.
In a first, researchers discovered oxygen atoms on the dayside and nightside of Venus' atmosphere.
Several exoplanets at the edge of our galaxy could have formed continents — and advanced life — 5 billion years earlier than Earth, new research suggests.
Kiladze Caldera, formerly called Kiladze crater, may be a supervolcano that erupted fairly recently, spewing ice across the surface of Pluto.
Ganymede, one of the largest moons in the solar system, possesses a salty subsurface ocean that may contain organic compounds, new research finds.
Live Science newsletter
Stay up to date on the latest science news by signing up for our Essentials newsletter.