After nearly seven months of flight, the U.S. Air Force's latest X-37 robotic space plane is nearing a milestone in its secret mission in Earth orbit as it chalks up mileage and operational ...

This "plug and play" feature speaks volumes about the X-37 and the X-37C in particular. Human beings are fragile creatures and space engineers have to bear in mind that the human body can only ...

The X-37, an unmanned miniature space shuttle, is set to launch Thursday night. Slowly, some details have begun to emerge about the mysterious Pentagon space plane.

The X-37B Orbital Test Vehicle mission 3 (OTV-3), the Air Force's unmanned, reusable space plane, landed at Vandenberg Air Force Base on Oct. 17, 2014. Boeing Co. photo ...

The U.S. Air Force's secretive robotic X-37B space plane mission continues to chalk up time in Earth orbit, nearing 430 days of a spaceflight that — while classified — appears to be an ...

The Air Force is to launch the first test flight of the X-37 pilotless space plane Wednesday. It's meant to stay aloft for months, but its mission is secret, leading some to worry about its purpose.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. The Atlas V rocket with the X-37 takes off from Cape Canaveral, Fla ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. The X-37B robotic spacecraft, which resembles a miniature version of ...

LOS ANGELES — It may seem like a harmless, miniature version of the space shuttle, but some industry analysts are wondering if the secretive robotic spacecraft set to launch Thursday from Cape ...

NASA's X-37 space plane is carried underneath the White Knight as a chase plane looks on above the Mojave desert Tuesday. Alan Radecki / Space.com June 21, 2005, 8:49 PM EDT / Source : Space.com ...

The X-37B space plane designed by NASA has been revived by the United States Air Force to test reusable space capabilities. The USAF is considering using the X-37B as a military space plane.

The space plane is also testing the effects of radiation and space on seeds, according to Space Force. The X-37 project is also important because the space plane is reusable.