Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

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

But on larger icy moons, the ice layer may break up before the water boils, preventing the formation of a boiling ocean.

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

Despite their liquid water and potential for habitability, these moons are very different environments from Earth. On Earth, ...

Saturn's small moon Mimas, nicknamed the "Death Star" for its giant crater, may have a hidden ocean beneath its icy shell, researchers from UC Davis said. A slight wobble in the moon's movement ...

There’s magic in the air this holiday season, and there’s also magic in the December Butler night skies. These long nights ...

Look to the southeastern horizon in the hours following sunset on Nov. 29 — you'll be able to see the moon shine close to the gas giant Saturn as Neptune lurks unseen nearby. The waxing gibbous moon ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

The annual Planetarium Christmas Program, presented by the Kent County High School Planetarium and radio station WKHS-FM 90.5 ...

The University of Wyoming Harry C. Vaughan Planetarium will host a Christmas-themed program, “Star of the Magi,” twice during ...