The growing amount of fast-moving space debris orbiting the Earth could lead to catastrophic collisions with satellites, hurting economies, researchers warned Wednesday ahead of a summit to coordinate efforts to remove the junk.

An unmanned NASA spaceship circling Jupiter has spotted massive cyclones at the gas giant's poles, revealing stunning new details about our solar system's largest planet, researchers said Thursday.

New Zealand joined the exclusive space-race club on Thursday with the successful launch of a Rocket Lab test craft named Electron.

The rocket blasted off from the company's facility at Mahia, on the east coast of the North Island, to end three days of launch attempts aborted because of the weather.

Two U.S. astronauts embarked Tuesday on what NASA described as a "critical" spacewalk to repair a failed piece of equipment that helps power the International Space Station.

Jordan's King Abdullah II on Tuesday formally launched an international research center whose members include experts from around the world including arch-rivals Iran and Israel.

The International Center for Synchrotron-Light for Experimental Science and Applications in the Middle East, known by the acronym SESAME, "is the first research center of its kind in the region," said the royal court.

Chinese students will live in a laboratory simulating a lunar-like environment for up to 200 days as Beijing prepares for its long-term goal of putting humans on the moon.

The unmanned Cassini spacecraft, after completing two passes in the vast, unexplored area between Saturn's rings has discovered not much else there, researchers at NASA said. 

It's dark and surprisingly warm in a cave in western Spain that hides our most intimate connection to the prehistoric past -- hand silhouettes painted tens of thousands of years ago.

SpaceX has launched a top-secret spy satellite for the U.S. government.

The unmanned Falcon 9 rocket lifted off Monday morning from its NASA-leased pad at Kennedy Space Center in Florida. It hoisted a classified satellite for the National Reconnaissance Office.

Thousands of people joined a global March for Science on Saturday with Washington the epicenter of a movement to fight against what many see as an "assault on facts" by populist politicians. 

U.S. President Donald Trump himself passed dozens of protesters on his way to visit wounded soldiers at a military hospital.