
The X-38, mounted beneath the right wing of NASA's B-52, climbed from the runway at Edwards Air Force Base for…

The second free-flight test of an evolving series of X-38 prototypes took place July 10, 2001 when the X-38 was…

NASA engineers and scientists coordinating worldwide meteor data collection in 2001

2001 Leonid fireball recorded from Hawaii

2001 Leonid fireball recorded from Hawaii

Meteor observers at Apache Point Observatory during the 2001 Leonids

Ground crew members steady the X-40A with tethers as it is being lifted by CH-47 helicopter for test flight number…

NASA's modified Boeing 747 Shuttle Carrier Aircraft with the Space Shuttle Endeavour on top climbs out after takeoff from Edwards…

X-40A Free Flight #5. The unpowered X-40A, an 85 percent scale risk reduction version of the proposed X-37, proved the…

X-40A Free Flight #5. The unpowered X-40A, an 85 percent scale risk reduction version of the proposed X-37, proved the…