Moons orbiting rogue planets, worlds flung from their parent star systems into the cold of interstellar space, could maintain ...

Gas giant Saturn has significantly extended its "who has the most moons in the Solar System" competition, with 11 more moons ...

Exomoons orbiting rogue planets could host liquid water for billions of years, offering potential habitats for life deep in ...

Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the heat generated deep within their interiors by tidal forces. Led by David ...

A new study led by researchers at the Max Planck Institute for Extraterrestrial Physics ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

This month’s stargazing agenda brims with planet sightings. We have planet pairings, moon-planet hangouts, and a special treat to end the month: several evenings with all seven of our space neighbors ...

Add Yahoo as a preferred source to see more of our stories on Google. The full sturgeon moon appears in the sky over Rocca Calascio Castle in Calascio, Italy, in ...

Add Yahoo as a preferred source to see more of our stories on Google. If you were up early enough on Friday, Sept. 19, you may have noticed the bright star shining next to the crescent moon in the ...