Decades before hypersonics entered today's headlines, NASA drafted an aircraft that bordered on surreal. Discover the story behind the X-43 Hyper X.

The NASA X-43 remains the fastest air-breathing aircraft ever flown and got close to Mach 10.

"This is a snapshot of where we are very early in the scientific process." ...

KENNEDY SPACE CENTER — NASA and SpaceX successfully launched the four-member Crew-11 mission to the International Space Station on Friday morning, after weather forced the scrub of the mission a day ...

Asteroid 2024 DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide ...

Since the interstellar comet 3I/ATLAS was discovered this past July — just the third confirmed object to arrive from another star — ...

SpaceX is set to launch 140 commercial payloads to Sun-synchronous orbit on its sixth rideshare mission of the year, ...

On November 27th, Russia's Baikonur Cosmodrome experienced a severe accident that has suspended Russia's ability to launch ...

The top Democrat on the House Armed Services Committee, Representative Adam Smith of Washington, who saw the footage last ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...