A meteor streaks across the sky and burns up in a flash. Sometimes, a small piece survives the journey through Earth’s ...

Scientists analyzing an ultra-hot giant planet believe it was formed by absorbing lightweight gases like methane evaporating ...

EDT on June 1, 2025, instruments registered a geomagnetic K-index of 8, creeping toward 9, meaning a solar storm has arrived.

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...

China's ambitious Tianwen-2 mission will soon be heading to two extremely different space rocks, and should provide vital ...

It is an evocative idea: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

Mars’s warmer, wetter past makes it the second-best place in the solar system ... to find in space, and not only because it starts off as limestone. It’s a metamorphic rock, which means ...

Researchers from Nagoya City University, Tohoku University, and other institutions have used numerical simulations to ...

The fall of the Aguas Zarcas meteorite was no ordinary event. It came from a nearly vertical angle, about 81 degrees steep, ...

China’s Tianwen-2 mission has launched to explore an asteroid that may be a piece of the moon, as well as an active asteroid ...

The solar-powered Smart Lander for Investigating ... giving scientists a more precise sense of the dangers these space rocks pose to Earth. The telescope’s loss leaves us somewhat in the dark ...