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

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

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

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

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

Discover the incredible story of NASA's New Horizons mission, from its 2006 launch aboard an Atlas V rocket to its historic ...

The most unsettling space images are not of black holes or distant galaxies, but of stars that look eerily like our own Sun ...

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

A tremendously large cloud that blocked the light from a distant star has been found to consist of swirling winds of ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months.

From September 2024 to May 2025, a Sun-like star designated J0705+0612 became 40 times dimmer. Researchers describe the ...