Astronomers have yet to confirm the existence of exomoons, but a molecular signal around a far away star offers some of the ...

Io, Jupiter's moon, continues to reveal itself. The latest images transmitted by the Juno spacecraft offer an unprecedented ...

The existence of a moon located outside our solar system has never been confirmed but a new NASA-led study may provide ...

A new analysis of a peculiar metallic cloud surrounding the exoplanet WASP-49 b provides further evidence that it may have ...

New research done at NASA's Jet Propulsion Laboratory reveals potential signs of a rocky, volcanic moon orbiting an exoplanet ...

"Detecting an exomoon would be quite extraordinary, and because of Io, we know that a volcanic exomoon is possible." ...

We’ve got a cosmic mystery on our hands. No one’s ever confirmed the existence of an ‘exomoon,’ which is a moon outside our ...

By analyzing the movements of a mysterious cloud of sodium moving around the planet WASP-49 b, the team was able to construct ...

But a new NASA study may have found a clue that one is orbiting a planet some 635 light-years from Earth. The inference comes ...

Europa Clipper and JUICE are set up to give scientists game-changing information about the potential habitability of ...

New research from NASA’s Jet Propulsion Laboratory suggests there may be a volcanic moon orbiting a planet 635 light-years ...