Today's spacewalk with NASA Astronauts Tracy C. Dyson and Mike Barratt has been cancelled due to a spacesuit cooling unit water leak. Watch NASA TV coverage... https://go.nasa.gov/4ei2sMF | International Space Station

For six months, NASA astronaut Tracy C. Dyson has conducted experiments aboard space station, from 3D printing heart tissue to remotely operating robots on Earth from space. Dyson's research contributions are helping benefit people on Earth and future space missions. She’s scheduled to return home on Monday, Sept. 23. Discover the research from her mission: go.nasa.gov/4euV5kt | International Space Station

NASA Astronaut Tracy Dyson Powers International Space Station Research FriendsofNASA.org: NASA astronaut Tracy C. Dyson is returning home after a six-month mission aboard the International Space Station. While on orbit, Dyson conducted an array of experiments and technology demonstrations that contribute to advancements for humanity on Earth and the agency’s trajectory to the Moon and Mars. Here is a look at some of the science Dyson conducted during her mission: https://go.nasa.gov/4euV5kt Astr