Solar System

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually bright in the process. It is the most powerful outburst from the city-size oddball in more than three years.

NASA's Juno spacecraft has sent back stunning photos of Jupiter, including colorful, chaotic storms swirling through the planet’s atmosphere.

Jupiter has no solid ground, like the grass or dirt you tread here on Earth. But how can that be? If Jupiter doesn’t have a surface, what does it have?

China has opened up the first round of applications for researchers who wish to use some of the Chang'e 6 lunar far side samples for research.

A small asteroid burned up in Earth's atmosphere off the coast of California just hours after being discovered and before impact monitoring systems had registered its trajectory.

Huge shells of frozen carbon dioxide at Mars' south polar cap resulted in subsurface meltwater, which fed a huge system of rivers, lakes and even a sea, a new study suggests.

Earth observation technology is set to play a larger role in how agencies respond to natural disasters and weather events.

Rafael made landfall in Cuba Wednesday (Nov. 6), and NOAA's GOES satellites have been monitoring the storm every step of the way.

A new species of tardigrades with thousands of genes that become more active when exposed to radiation could help in devising better protection for astronauts on long missions.

When the 'God of chaos' asteroid Apophis makes an ultraclose flyby of Earth in 2029, our planet's gravity may trigger tremors and landslides that totally change the asteroid's surface.