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

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 ...

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

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

The JUICE probe en route to Jupiter and its moons has clicked a high-definition picture of the Earth's radiation belt. The ...

Now, a new analysis has revealed that this extra-puffy 'popcorn' planet has an asymmetrical atmosphere, with significant ...

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 ...

Future studies of this "impossible" world could upend the known rules of planet formation. With twice the radius of Jupiter, ...

When it reaches Jupiter in July 2031, JENI will be used to study the magnetosphere of the gas giant. The image snapped by ...

"The most exciting prospect at the (Uranian) moons is that they could still host subsurface oceans at present.” ...

Saturn is set to be at the brightest point in its orbit tonight (September 8) so keep your eye on the London skies for this ...