The Outer Space Treaty bans nuclear weapons in orbit—but we currently have no way to verify that satellites aren't carrying them. Eventually, we'll launch a mission dedicated solely to studying an ...

NASA aims to travel to the moon again—and beyond. Here’s a look at the 21st-century race to send humans into space.

Following their return to Earth from a 10-day journey around the moon and back in April, NASA's Artemis II astronauts headed ...

India's space agency said Tuesday it planned to launch an uncrewed orbital mission later this year before its first human spaceflight in early 2027. "It represents India's rise as a global space power ...

HELSINKI — A Chinese space company is setting its sights on crewed orbital spaceflight, marking a new step in the expansion of China’s commercial space sector. Zhang Xiaomin, chairman of Beijing Ziwei ...

Researchers from the University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), ...

Human spaceflight is built on a simple paradox: the farther people travel from Earth, the more fragile their bodies and missions become. NASA has distilled that reality into five core hazards that ...

Gayle King wishes everybody would adopt a more realistic perspective about Monday’s Blue Origin space outing. The “CBS Mornings” co-host has been telling anyone who will listen that what she and her ...

Researchers from University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), which ...