NASA Juno spacecraft data has been used to create an animation of "Steeple Mountain" and a lava lake known as Loki Patera on ...

Surface features of Uranus' icy moon Miranda point to the existence of a once deep ocean, one that still may exist today.

Recent data from the James Webb Space Telescope (JWST) suggests that a planet orbiting a small, red star 35 light years away ...

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

This will be the year’s fourth and final supermoon, looking bigger and brighter than usual as it comes within about 225,000 ...

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

Similarly, Jupiter's moons Io and Europa have a 2:1 resonance (for every two orbits Io makes around Jupiter, Europa makes one), which generates enough tidal forces to sustain an ocean beneath ...

This artist’s concept depicts a potential volcanic moon between the exoplanet WASP-49 b, left, and its parent star. New evidence indicating that a massive sodium cloud observed near WASP-49 b is ...

Mars is brightening and the giant planet Jupiter is reaching its best apparition in a decade for Northern Hemisphere ...

“To find evidence of an ocean inside a small object like Miranda is incredibly surprising,” said Tom Nordheim, a planetary ...

Three of Jupiter’s moons – Europa, Ganymede and Callisto – are home to large, underground oceans of liquid water that could support life. This composite image shows, from top to bottom ...

One of Uranus' moons likely hosted a subsurface ocean in the recent past and may even possess an ocean today, according to research involving UND researchers. Miranda, the smallest and innermost of ...