NASA's two stranded astronauts Sunita Williams and Butch Wilmore are headed back to Earth with SpaceX on Tuesday after staying in space for over nine months. Butch Wilmore and Suni Williams bid farewell to the International Space Station (ISS)- their home since last spring- departing aboard a SpaceX capsule alongside two other astronauts.

Researchers are testing the European Enhanced Exploration Exercise Device (E4D), a compact, modular system combining cycling, rowing, and resistance exercises to maintain astronaut health on long missions.