Astronauts aboard the International Space Station marked Christmas in orbit by sending a warm video message to Earth. Members of Expedition 74 shared...

A standard ballpoint pen will not write in space. Without gravity, the ink refuses to flow. This simple failure illustrates a profound headache in...

NASA astronaut Jonny Kim poses for a photo inside the International Space Station's "window to the world." NASA2025 marked 25 years of nonstop human...

NASA astronaut Jonny Kim poses for a photo inside the International Space Station's "window to the world." NASA2025 marked 25 years of nonstop human...

Technical problems delayed South Korea’s first commercial orbital launch, the country's space startup Innospace Co. said Saturday. The...

Technical problems delayed South Korea’s first commercial orbital launch, the country's space startup Innospace Co. said Saturday. The...

Astronauts aboard the International Space Station (ISS) have captured a dazzling new image of the Large Magellanic Cloud (LMC)—offering a rare,...

Astronauts aboard the International Space Station (ISS) have captured a dazzling new image of the Large Magellanic Cloud (LMC)—offering a rare,...

NASA will preview upcoming International Space Station spacewalks in a public briefing, detailing tasks and risks. Astronauts Mike Fincke and Zena...

BEIJING, Dec. 22 (Xinhua) -- From orchestrating a groundbreaking in-orbit emergency rescue to launching its first asteroid mission and making a wealth...