While the crater-pitted moon may appear geologically dead, researchers have discovered more could be going on under its icy ...

Saturn’s moon Mimas earned the nickname “Death Star Moon” because of one enormous crater called Herschel. With steep walls ...

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

Saturn’s rings are not the permanent fixture they appear to be through a backyard telescope. Planetary scientists now agree ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

On Nov. 2, 2000, the crew of NASA’s Expedition 1 opened the hatch to the International Space Station, which was the beginning ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

CAPE CANAVERAL, Fla. (AP) — Scientists have detected what they believe to be lightning on Mars by eavesdropping on the ...

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected ...

Welcome to your December horoscope! It’s hard to believe that we’ve made it to the end of 2025. In some ways, the year ends ...

A new, exciting chapter has begun at the University of Hawaii 2.2-meter telescope. The University of Hawaii Institute for ...