Space Exploration

Artemis II’s AVATAR experiment will see organs-on-a-chip travel to the moon and back, revealing how such a journey affects the body’s cells

Amid a journey of celestial spectacles, the Artemis II astronauts may spot a comet—if it survives a dash past the sun

The second day of the Artemis II moon mission saw the crew perform a series of maneuvers that put the Orion capsule on course for the lunar far side

Artemis II blasts off on a high‑stakes lunar flyby, marking NASA’s first crewed mission to the moon in decades

The Orion spacecraft just completed its last planned major fuel burn, setting its course for the rest of its 10-day journey around the moon and back

NASA launched the Artemis II moon mission on Wednesday, April 1—a date that will enable the crew to observe the moon pass in front of the sun from space

A daring 10-day voyage took four astronauts on a loop around the moon and set the stage for future forays to the lunar surface

The four astronauts onboard the Orion spacecraft will carry out a packed schedule during their trip around the moon’s far side

The U.S. space agency on Wednesday evening launched four astronauts on what may be a record-breaking trip around the moon—see the spacecraft live

On their voyages to the moon, NASA’s astronauts are finally getting some creature comforts of terrestrial toilets—such as having a door and being able to pee and poop simultaneously

A major solar storm during the Artemis II mission could harm astronauts. Here’s how NASA is protecting them

The U.S. space agency’s Skyfall project calls for sending robotic helicopters to Mars on a nuclear-powered spacecraft before the end of Donald Trump’s presidency