In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

Jupiter’s four largest moons – Io ... Regular moons tend to orbit their planets in nice, circular orbits around the equator.

NASA's vast archive of science data, over 100 petabytes and counting, is proving to be a timeless treasure trove for new ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...

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

Jupiter’s four largest moons – Io ... circular orbits around the equator. Irregular moons typically orbit in big ovals further away from planets, and at a range of angles.