The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space.

For nearly a decade, the X-15 - the fastest flying manned aircraft ever made - completed 199 missions at record breaking ...

The X-15 hypersonic research program was a joint venture between Nasa and the US Air Force - and it led to the creation of ...

Read about the latest tests conducted with the X-66 aircraft, NASA’s experimental airliner being developed with Boeing.

NASA's Sustainable Flight Demonstrator (SFD) project recently concluded wind tunnel tests of its X-66 semi-span model in ...

Asteroid 2025 CQ, about the size of a 15-story building, is expected to pass near Earth on February 5, 2025. Measuring 150 feet in width, it will travel at a speed of 60,898 kilometers per hour.

NASA has announced a first-of-its-kind Twitch stream where astronauts from the International Space Station will engage with viewers live on the platform. The stream is planned for next Wednesday ...

However, EP240408A refused to conform to what is expected of either of these powerful cosmic events, opening up the possibility that what the Einstein Probe actually saw with its X-ray eye was ...

The animation, provided by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS), shows the path of a 130- to 300-foot-wide asteroid — named 2024 YR4 — having a more than 1 ...