Moons like Europa, Titan, and Enceladus may hold the ingredients for alien life, with NASA missions set to investigate.

A truly majestic sky sight last month was a close pairing of the two brightest planets, Venus and Jupiter, at dawn Aug. 12.

Fresh from a spectacular “blood moon” total lunar eclipse and its full “corn moon” phase on Sunday, Sept. 7, 2025, a nearly ...

In total, Saturn is thought to have at least 274 moons, the greatest number of natural satellites in the solar system. After its opposition, Saturn will stay visible for many weeks, but each passing ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

Mark your calendars for September 21, 2025, as Saturn will reach opposition, offering a spectacular view of the ringed planet ...

There are believed to be over 150 moons in the solar system. Astronomers keep discovering new moons by observation. Jupiter has the most moons—63 have been discovered one by one.

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

Titan's shadow will fall over Saturn during the early morning hours of Sept. 4. Heads up stargazers! The shadow of Saturn's ...

The eight largest moons in our solar system are Ganymede, Titan, Callisto, Io, Earth's Moon, Europa, Triton, and Titania.

Jupiter hosts the brightest and most spectacular auroras in the solar system. Near its poles, these shimmering lights offer a glimpse into how the planet interacts with the solar wind and moons swept ...

“Based on the Juno radio occultations, we find that the size of Jupiter is smaller, more oblate, because at the equator, the ...