The World's First Spacefaring Commercial Cardiologist Has Lessons for Would-Be Astronauts
Scientists May Have Finally Explained Why Astronauts Get Constipated in Space
Two astronauts replace ISS camera and docking aid on 6th-ever all-female spacewalk (video)
Watch 2 astronauts take 6th-ever all-female spacewalk today
On this day in space! Aug. 29, 1965: NASA's Gemini 5 breaks spaceflight duration record after 2 astronauts spent '8 days in a garbage can'
Why Astronauts' Lower Eyelids "Let Go" in Space
'You just saved the video dish': Two astronauts complete spacewalk to replace ISS antenna
Astronauts make history repairing the ISS | Space photo of the day for Aug. 25, 2026
Watch 2 astronauts replace failed ISS antenna during spacewalk today
When gravity lets go: Why astronauts’ lower eyelids rise in space
Scientists finally know why astronauts struggle to poop in space — and reveal a hidden risk of long-haul spaceflight
Scientists create 'laundry gun' for astronauts to clean their clothes by shooting out plasma
Why constipation is common in astronauts: A new study identified gastrointestinal changes that occur shortly after the astronauts leave Earth and gravity behind.
Constipation is common in astronauts – blood tests provide new answers - EurekAlert!
Radiation-shielding vest aced Artemis I lunar test, could protect astronauts on moon and Mars missions
Space Agencies Are Trying to Keep Astronauts From Losing Their Sight
How spaceflight changes astronauts' ability to eat and drink
Spaceflight could change how astronauts swallow, eat and drink in subtle ways
'A very busy mission': SpaceX on track to launch 4 astronauts to the ISS on Sept. 12
Ike Theriot Helps Prepare Astronauts to Work on the Moon
