Canada will send its first astronaut to the moon on a joint mission with the United States, but back on Earth, the relationship between the two countries is fraying.

Artemis II astronauts will fly 250,000 miles from Earth, facing a brief communications blackout as they slingshot around the moon.

The four astronauts making NASA's next lunar leap bear little resemblance to the Apollo era

The astronaut who prompted NASA's first medical evacuation earlier this year says doctors still don't know why he suddenly fell sick at the International Space Station.

Helping the astronauts of Artemis II speak to the folks on Earth is the Deep Space Network, operated out of Jet Propulsion Laboratory in Pasadena.

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 is, why do we have astronauts at all? NASA's Artemis ...

Everything seems to be going NASA's way as the countdown proceeds toward a Wednesday launch of astronauts' first trip to the moon in more than half a century.

In other words, when they become part of history, so will their orange suits. Though much of the spacesuit-related attention thus far has been levied on the white spacewalk suits being created by Prada and Axiom Space, it is the orange suits that may be the more eye-catching — by design.

Butch Wilmore said throughout the 240 pages of Stuck in Space: An Astronaut's Hope Through the Unexpected, readers will learn about the experiences that forged his faith.

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