WASHINGTON : A project proposed by Elon Musk's SpaceX and the U.S. Air Force to test hypersonic rocket cargo deliveries ... environmental impacts." Space X did not immediately respond to a ...

The X-15 was a groundbreaking rocket-powered aircraft that set records still unbeaten today—including the fastest crewed ...

During the first quarter of the year, 27 orbital rockets took flight from Florida's Space Coast. That equates to a cadence of 108 launches by year's end — a record-breaking pace that would erase ...

The U.S. Federal Aviation Administration on Monday said it closed out a review into SpaceX's explosive Starship test flight in January, while another investigation into the rocket's subsequent ...