The Artemis 2 astronauts who will become the first humans in more than 40 years to fly on a lunar mission are in quarantine.

An astronaut with a medical issue on board the International Space Station is ending the mission early. Why all astronauts ...

In an unprecedented move, NASA is bringing an astronaut crew home early from the International Space Station because one astronaut has an undisclosed medical condition.

Four astronauts aboard the International Space Station recently began packing their bags to prepare for an unprecedented early departure to Earth after one of them experienced a medical issue. NASA ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.