
NASA @NASA
LIVE NOW: A @SpaceX Dragon spacecraft returns to Earth with @ISS_Research that could help us better understand neurodegenerative diseases, gene expression, & muscle atrophy. Undocking from the @Space_Station is at 9:05am ET (13:05 UT). Watch: https://t.co/frB8nJiTt8 — PolitiTweet.org