The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

Typically, from what astronomers have gathered thus far, star systems follow a tidy logic: small, rocky worlds huddle close to the warmth of their star, while massive gas giants bloat up in the colder ...

A small red dwarf star in the Milky Way has drawn attention after astronomers mapped four closely orbiting planets around it.

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

(CNN) — Scientists may have detected signs of a planet transiting a star outside of the Milky Way, in what could be the first planet ever to be discovered outside our galaxy. The possible exoplanet ...

Building on eight years of extraordinary discoveries by the Sloan Digital Sky Survey (SDSS and SDSS-II), a new program of four coordinated surveys will revolutionize the study of the distant universe, ...

Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world and in orbit, astronomers have discovered at least 70 ...

Astronomers at the University of Auckland claim that there are actually around 100 billion habitable, Earth-like planets in the Milky Way. There are roughly 500 billion galaxies in the universe, ...

How many planets do you think are in this photo? At least hundreds of thousands according to a new joint Japan-New Zealand survey that scanned the center of the Milky Way in 2006-2007 looking for ...

(CNN) — June’s full moon, nicknamed the strawberry moon, will shine brightly on Tuesday night and Wednesday morning. The moon will be at its fullest at 3:44 a.m. ET Wednesday but will still appear ...