NASA Astronomy Picture of the Day. Returns the featured space image with title and explanation. Optional: specific date or random selection.

NASA Image and Video Library search. Search NASA's entire archive of 140,000+ space images — Mars rovers, Apollo missions, Hubble, James Webb, Earth from space, astronauts, and more.

NASA Near-Earth Object asteroid tracker. Returns asteroids making close approaches to Earth in a date range (max 7 days). Includes size estimates, velocity, miss distance, and hazard classification.