Missions

NASA's ambitious mission to return astronauts to the moon for the first time this century is on track to launch no later than April 2026, but it just might fly sooner if all goes well.

NASA revealed the members of its 2025 astronaut class, the 24th group in the agency's history — some of whom may be among the first people to set foot on Mars.

NASA's Artemis 2 mission will launch toward to the moon in 2026. To help prepare, its four astronauts practiced observing Earth's nearest neighbor in a mockup Orion capsule.

The Expedition 73 crew on the International Space Station began their week with the arrival of an extra-large cargo delivery with new science and supplies, as well as care packages from home.

Natural geologic processes at Mars' Oxia Planum may improve the Rosalind Franklin rover's chances of detecting organic compounds.

NASA's Curiosity Mars rover has been exploring the slopes of Mount Sharp looking for clues about Mars' watery past. Here, it looks at the boxwork pattern for ancient water flow.

Northrop Grumman's new "Cygnus XL" cargo ship reached the International Space Station this morning (Sept. 18), after a delay, delivering about 11,000 pounds of supplies to the orbiting lab.

Artemis 2 astronauts will be the subjects of nearly as many experiments as they'll be performing during their trip around the moon.

A new study suggests that a group of cells, key for the health of blood and the immune system, are vulnerable to aging-like processes after spending time on the ISS.