That remains just one of the many achievements in Voyager 1’s illustrious resume, the spacecraft currently 15.79 billion ...

One of the best-timed shots in TV history is an old clip by BBC's science presenter James Burke which has recently become ...

Rather than flowing magma, geological shifts on icy moons are produced by melting ice. The ice shells coating these moons wax ...

New research suggests that Ariel, a moon of Uranus, might have once harbored an ocean about 170 km deep. Credit: NASA/JPL-Caltech/PSI/Mikayla Kelley/Peter Buhler ...

Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are ...

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water ...

Important safety tip: When you’re sending commands to the second-most-distant space probe ever launched, make really, really sure that what you send isn’t going to cause any problems. Luckily, NASA ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.