NASA astronaut friends Christina Koch and Jessica Meir, who performed the first all-female spacewalk, are breaking records ...

A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development ...

NASA's Artemis 2 astronauts will enjoy meals like mac and cheese, beef brisket and cookies on their moon mission, a far cry ...

Instead, they got a 286-day marathon. After technical glitches turned their Boeing Starliner test flight into a nearly ...

NASA astronaut Butch Wilmore talks to PEOPLE about his near-death experience on the Starliner mission, which left him ...

A NASA astronaut recently sent the internet into a frenzy when he posted an alien-looking photo on social media. The photo ...

In March 1966, astronaut Neil Armstrong nearly died during an in-flight emergency while attempting to orbit the Earth as part ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

The internet went into a frenzy on Friday when a NASA astronaut shared a weird alien-looking photo on social media.

Now home, and with a new memoir, Barry “Butch” Wilmore recalls his routine at the International Space Station as well as the ...

Tippie researcher Daniel Newton is working with NASA to help astronauts switch tasks more efficiently to reduce the chance of making a catastrophic mistake while Artemis is on its way to the moon.