How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

Dwarf planet Ceres now appears less like a dead rock and more like a world that may have briefly brimmed with potential for ...

NASA’s James Webb Space Telescope finds TRAPPIST-1 d lacks an Earth-like atmosphere, narrowing the search for habitable planets.

Expected Brown Dwarf Star DiscoveriesB While LSST is projected to discover thousands of brown dwarfs stars. Objects that are 13-80 times the mass of Jupiter and are often free-floating or orbiting ...

Rocky planets orbiting in an M-dwarf’s habitable zone are called M-Earths. M-Earths differ from our Earth in fundamental ways.

This is what a recent study published in Nature Communications hopes to address as an international team of researchers examined the atmospheric stability of exoplanets orbiting M-dwarf stars, which ...

A model of the planet Saturn stands near Route 1 in Westfield, Maine, Friday, May 9, 2003. (Robert F. Bukaty/AP File) For the first time since 2008, two new planets are being added to one of ...