How would humanity respond if we discovered an asteroid headed for Earth? NASA’s upcoming documentary, “Planetary Defenders,” takes you inside the high-stakes world of asteroid hunting and planetary defense. Follow dedicated scientists and astronomers as they work to protect Earth from potential impacts. 

Teams across NASA and Lockheed Martin come together to build the X-59 aircraft, a decades-long project seeking to achieve quiet supersonic flight and revolutionize commercial air travel.

Earth is home to countless ecosystems, whether it be a tropical rainforest, a vast desert landscape or a winter wonderland. Sit back and relax as NASA’s oldest Earth-observing satellite program, Landsat takes you on a journey around the world with beautiful images of our home planet from space.