After the first test flights in 2025, Lockheed Martin will transfer the plane to NASA. Then, after acoustic testing over ...

Space debris from rocket bodies orbiting Earth could pose an increased threat of striking aircraft as it falls from space, ...

The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...

The Falcon 9 rocket will send up Starlink 12-9 mission from Space Launch Complex 40 at Cape Canaveral Space Force Station, ...

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

Late Tuesday afternoon, Elon Musk put out a message on X saying that President Donald Trump had asked him to return the two ...

Scientists predict that there are currently more than 30,000 pieces of space junk orbiting above the Earth, and some are ...

Sierra Space has passed yet another major benchmark ... The HL-20 itself is descended from the US Air Force’s X-20 Dyna-Soar spaceplane originally meant for missions during the 1960s.

Boom Supersonic made history today (Jan. 28) when its XB-1 jet broke the sound barrier for the first time. Boom Supersonic's ...

Sierra Space officials announced the autonomous spacecraft successfully completed and passed testing milestones in ...

Sierra Space's "mini shuttle" Dream Chaser space plane may make its maiden flight in May after launching atop a rocket from Cape Canaveral Space Force Station. Pre-flight testing continues at NASA ...