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

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 ...

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

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 ...

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

Jupiter, the largest planet in our solar system, is home to a fascinating array of moons. Among its 90-plus satellites, one ...

WASHINGTON (Reuters) - NASA is set to launch a spacecraft to Jupiter's moon Europa, considered one of our solar system's most ...

Europa Clipper will peer beneath the moon’s icy crust where an ocean is thought to be sloshing fairly close to the surface.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

What is the moon phase today? Today, Oct. 11, 2024, the moon is 9 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 57% illuminated. Moon phases reveal the passage of time in ...

Within our solar system, gas emissions from Jupiter's volcanic moon Io create a similar phenomenon. Although no exomoons (moons of planets outside our solar system) have been confirmed, multiple ...