So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

The discovery of a possible gas giant in the habitable zone of one of the closest stars to Earth opens up exciting possibilities. Could a moon orbiting this planet harbor life, similar to Pandora in ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but none have passed the threshold and been accepted as confirmed. But they must ...

Astronomers have found a growing number of exoplanets that don’t orbit any stars. They are rogue – or free-floating – worlds in the ocean of space. So could any of them be habitable? Or any of their ...

Add Yahoo as a preferred source to see more of our stories on Google. A realistic depiction of a free-floating gas giant planet and its Earth-like moon. (CREDIT: Dahlbüdding / DALL-E) There is a ...

Nov. 7 (UPI) --Saturn's Enceladus moon might be capable of supporting life, according to data collected by NASA's Cassini mission and compiled in a new study in the Science Advances journal. The moon ...

CAPE CANAVERAL, Fla. (AP) — Scientists have uncovered new types of organics in icy geysers spouting from Saturn's moon Enceladus, bolstering the likelihood that the ocean world may harbor conditions ...

Scientists have discovered that the molecular building blocks needed for life are "readily available" on Saturn's icy moon Enceladus. At only 314 miles (505 kilometers) wide, Enceladus could fit ...

Moons drifting through the pitch-black void between stars — orbiting rogue planets with no sun — could sustain liquid water and conditions friendly to life for more than four billion years, according ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of planetary formation, sent drifting into the galaxy's cold interior with no sun to ...