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

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 ...

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 ...

Dwarf Planets NASA's New Horizons spacecraft flew past Pluto in the July 2015, snapping several photos of the dwarf planet and its giant, heart-shaped geographical feature.

Press Release Xena Awarded “Dwarf Planet” Status, IAU Rules; Solar System Now Has Eight “Classical” Planets by SpaceRef August 24, 2006 ...

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 ...

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

A composite image of the five dwarf planets recognized by the International Astronomical Union, plus the newly discovered trans-Neptunian object 2017 OF201. NASA / JPL-Caltech / Sihao Cheng et al.

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 ...

The Near-InfraRed Planet Searcher (NIRPS) is a high-resolution spectrograph designed to search for and study exoplanets around stars smaller and cooler than our sun.