With a whopping total of 274 moons, researchers say Saturn’s tug of war with Jupiter for the title is settled once and for ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

The discovery by a team, including current and former University of British Columbia astronomers, brings Saturn’s total to ...

NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. Before Voyager 1 flew by Io, scientists ...

Multiple people familiar with the White House proposal said cuts to NASA's "Science Mission Directorate" could be as high as ...

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

Beneath Antarctica’s Mount Erebus, a hidden world of volcanic ice caves harbors thriving microbial life, offering a glimpse ...

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the ...

Astronomers and amateur stargazers will be in for a treat this week when a seventh planet will join six others in a planetary parade.

What’s next? Lava is erupting from several volcanoes, including one in Hawaii. Nearly 50 volcanic eruptions have been recorded this year, and more are expected. The Axial Seamount, an underwater ...

Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the ...