The record-breaking NASA/USAF X-15, the fastest plane ever built, could blaze through the skies at a staggering 4,520mph, ...

When planes exceed Mach 1 (the speed of sound, or about 767 miles per hour—1,234 kilometers/hour for those using the metric ...

Equipped with next-generation radars, cameras, and intelligence sensors, the SR-71 Blackbird proved to be a crucial ...

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

Planes that fly faster than the speed of sound create thunderous supersonic booms. But with NASA's X-59 plane, that could change. The space agency plans for the aircraft's first flight in 2025 ...

The fastest plane ever created could reach up to 4,520mph - the equivalent of going from London to New York in just 45 minutes. It was called the NASA/USAF X-15 and it was an experimental aircraft ...

American space agency NASA announced it has concluded the ground engine tests for the X-59 supersonic airplane, first flight coming later this year ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

GREENBELT, Md. — NASA scientists have discovered what they believe may be the fastest-moving planetary system ever seen, right here in our galaxy! According to NASA, astronomers have discovered ...