The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

After full moon, the terminator returns, but this time on the moon's opposite side, where it marks the line of advancing ...

NASA’s Jet Propulsion Laboratory (JPL) is carefully watching an asteroid called 2025 XM, a space rock about 84 feet (26 ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

Astronomers are testing a quieter way of searching for moons beyond the solar system, using careful measurements of motion ...

This is what would happen if planets replaced the moon. Venus is almost the same size as earth. It would make the earth ...