As Christina Koch and her Artemis II crewmates enter a carefully controlled two-week quarantine, NASA applies lessons learned from Apollo 13 and beyond to ensure that even the smallest illness doesn't jeopardize humanity's next journey toward the Moon.

For a few hours each lunar day, the radiation environment near the moon quietly shifts. Measurements now suggest that parts of the moon’s orbit pass through a region where harmful cosmic radiation drops noticeably.

The four astronauts selected for the Artemis 2 moon mission will be the first to travel there in more than five decades.

NASA's Artemis 2 astronauts have entered quarantine in Houston and are due to fly to Florida's Kennedy Space Center a week before launch.

Astronauts will once again try to blast off to the Moon after earlier problems. NASA’s Artemis II rocket has began its second journey to the launch pad on Friday, March 20, ahead of the first crewed mission to fly around the Moon.

NASA is sending the first Black and first female astronauts to the moon in an upcoming mission dubbed Artemis II. The launch marks NASA's first journey back to the moon in over 50 years. The rocket was initially scheduled to launch in February but has been ...