In 2022, our first planetary defense test mission, the Double Asteroid Redirection Test (DART), will attempt to change the motion of a small moonlet, Dimorphos, that poses no threat to Earth. This demonstration, led by the JHU Applied Physics Laboratory (APL), will test a new asteroid deflection technology: www.nasa.gov/dart | NASA - National Aeronautics and Space Administration

Introducing our new streaming service, NASA , launching soon. More space. More rockets. More science. More missions. More NASA. All in one place. No subscription needed. NASA is ad free, no cost, and family friendly. NASA will be available on most major platforms via the NASA App on iOS and Android mobile and tablet devices; streaming media players such as, Roku, Apple TV, and Fire TV; and on the web across desktop and mobile devices. Plus, big changes are in store for our websites and app. Watc

It's almost graduation day for our next NASA Astronauts! After two years of training, our newest astronaut class will earn their wings and become eligible for spaceflight on Tuesday, March 5. Watch the graduation ceremony live at 10:30 a.m. EST (1530 UTC): https://www.facebook.com/events/312598808487759 Learn more about our astronaut class: https://go.nasa.gov/3Uz8QrC | NASA - National Aeronautics and Space Administration

Video responses are IN for your questions about NASA's James Webb Space Telescope's mission to #UnfoldTheUniverse! 🚀 Join our expert Dr. Naomi Rowe-Gurney on Tumblr for an #AnswerTime about her hopes for the world's most powerful telescope, Webb's science goals, and, capabilities: https://nasa.tumblr.com/tagged/WebbAT | NASA - National Aeronautics and Space Administration