On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

Solar eclipses only occur at the New Moon phase of the lunar cycle (a series of eight unique phases of the moon's visibility) ...

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

Experts speculate a new Phobos mission could launch by 2030, leveraging advancements in propulsion and AI for safer ...

The September moon usually carries the nickname of harvest moon, based on its timing. But this year it will be known as the ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

JUICE ("Jupiter Icy Moons Explorer"), which is on its way to do just what you might expect after hearing its name. The ...

Twenty new moons have been found to be orbiting Saturn — and scientists want the public's help in naming them, according to a Carnegie Institution for Science news release. The new discovery brings ...

The New Moon Solar Eclipse in Virgo is happening on September 21, 2025 and it wants you to do a little reflecting.