Multiple issues come into play once an aircraft passes its service ceiling that may cause it to fall out of the sky.

Another SpaceX Falcon 9 rocket took flight in the darkness Thursday ... "Today, we completed a full duration 15-second hotfire test of the upper stage for our NG-2 mission. This time, we achieved ...

President Donald Trump announced the placement of 21 'brand new' F-15EX jets at Selfridge Air Naitonal Guard Base in Michigan ...

Worldcategory North Korea conducts first test firing of its new warship's weapons system 2:36 AM UTC Aerospace & Defensecategory Airbus calls for return to duty-free status for aircraft and parts ...

Boeing Puts NASA X-66 Plan On Ice As Future X-Plane Fears Grow is available to both Aviation Week & Space Technology and AWIN subscribers. Subscribe now to read this content, plus receive critical ...