“It was completely out of the blue," said Mike Fincke, who ended up being medically evacuated from the International Space Station, a first for NASA

The astronaut, Michael Fincke, experienced a medical emergency in January that rendered him unable to speak, he said.

The Americans who blazed the trail to the moon more than half a century ago were white men chosen for their military test pilot experience. This first Artemis crew includes a woman, a person of color and a Canadian, products of a more diversified astronaut corps.

The Astronauts for NASA's Artemis 2 mission to fly around the moon have arrived at the Kennedy Space Center in Florida, just five days before their historic mission is scheduled to lift off.

NASA astronaut medically evacuated from ISS says he lost ability to speak while in space - ‘It was completely out of the blue. It was just amazingly quick,’ Fincke said of the medical crisis

A sudden medical emergency ended Michael Fincke’s ISS mission early. The cause remains unknown, highlighting risks of long-duration spaceflight.

Now home, and with a new memoir, Barry “Butch” Wilmore recalls his routine at the International Space Station as well as the family moments he missed the most

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