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

The possibility of an Io-like moon around the exoplanet WASP-49b looks increasingly likely to be right, new research shows.

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 ...

Researchers at Cornell University have leveraged the intense volcanic activity on Jupiter's moon Io to advance our ...

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

Io, Jupiter's moon, continues to reveal itself. The latest images transmitted by the Juno spacecraft offer an unprecedented view of its tumultuous surface. The Juno mission made a surprising discovery ...

We can't see the exomoon, but based on a surprisingly large sodium cloud, NASA's Jet Propulsion Laboratory thinks it's there.

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 ...

Moons ought to be scattered throughout the Milky Way galaxy in a glorious profusion. Here in the Solar System, moons ...

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

A sodium cloud detected in the vicinity of an exoplanet named WASP-49 b hints at the presence of a natural satellite, also ...

"Studying the inhospitable landscape of Io's volcanoes actually inspires science to look for life," said lead author Madeline Pettine, a doctoral student in astronomy (Graduate School). By ...