Incredible Cosmic Conditions: Bringing Neutron Stars Down to Earth
How NASA and SpaceX Will Get People From Earth to Mars and Safely Back Again
NASA's Ingenuity Mars Helicopter Flies Faster, Farther on Third Flight | It rose 5 meters – the same altitude as its second flight. Then it zipped downrange 50 meters, almost half the length of a football field, reaching a top speed of 2 meters per second (4.5 mph, 7.2 kph)