What do you do after you’ve been to the Moon and back? If you are the astronauts of NASA’s Artemis II mission, you can meet the president of the United States and the Canadian prime minister, and even talk show host Oprah Winfrey. The Artemis II flight in April captured the world’s attention when four
In April 2026, NASA’s Office of the Chief Medical and Health Officer (OCHMO) initiated a working group to review updated VTE case information, additional data collected revealing altered blood flow status within a cohort of astronauts, and discuss the progress of research and clinical activities aimed at mitigating the risk of VTE during spaceflight with
Mitochondria (green in this false-color transmission electron micrograph) may play a role in the physiological effects of microgravity.Credit: José Calvo/Scientific Photography Library Researchers have found that exposure to microgravity aboard the International Space Station causes mitochondria in human cells and worms to produce fewer proteins. The work also identified a previously unknown molecular pathway that
Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
On June 16, astronauts and cosmonauts gathered at Space Center Houston to share stories from their missions aboard the International Space Station and recognize the teamwork and people on the ground that made their missions possible. The Expedition 73 Welcome Home Ceremony brought together members of NASA’s SpaceX Crew-10, Soyuz MS-27, and NASA’s SpaceX Crew-11 missions.