SUNSET: 
Astronomy in Space with David Dickinson
NASA to Use Pulsar Navigation for Deep Space Missions
NICER and SEXTANT demonstrate XNAV pulsar navigation system that may be used on Artemis.
NICER Maps the X-ray Sky
NASA's NICER instrument aboard the International Space Station is giving us a unique view of much of the X-ray sky.
Astronomy in Space with David Dickinson
Navy Resumes Celestial Navigation Course
Modern security threats have brought back an old method — celestial navigation — to help U.S. Navy sailors navigate the high seas.