Cai Xuzhe and Song Lingdong, part of China's three-person Shenzhou 19 mission, completed an 8.5-hour extravehicular activity ...

The survival of organisms in the vacuum of space could support the theory that life didn't start on Earth, but originated ...

Astronauts are scheduled to venture outside the International Space Station to collect microbiological samples during crew ...

The U.S.'s return to the moon with NASA's Artemis program will not be a mere stroll in the park. Instead it will be a ...

President Trump pledges in inaugural address to pursue policy that 'expands our territory' and to put US astronauts on Mars.

"We must honor their sacrifice by fortifying our commitment to safety and excellence as new generations of space explorers, follow their footsteps." ...

An annual memorial was held at the Kennedy Space Center Visitor Complex. Every fourth Thursday in January, NASA remembers fallen astronauts.

New Hampshire teacher Christa McAuliffe and other astronauts were honored Thursday by NASA during its Day of Remembrance.

We've come years in our journey to explore the unknown, but none of that would be possible without those who made the ultimate sacrifice towards the exploration.

New Hampshire teacher Christa McAuliffe and other astronauts were honored Thursday by NASA during its Day of Remembrance.

We’ve come years in our journey to explore the unknown, but none of that would be possible without those who made the ultimate sacrifice towards the exploration.