Take, for instance, the development cycle for any and all of the Stealth aircraft or the SR-82 Darkstar, to name just a few. The SR-91 Aurora was ... The advancement of spy satellites that are ...

that rattled Southern California on Wednesday afternoon — or was it the return of Aurora, the nation’s long-rumored, never-confirmed, some-say-mythological super-secret, super-fast spy plane?

The Legend: The SR-91 Aurora, a rumored hypersonic reconnaissance aircraft, has captivated aviation enthusiasts for decades, despite a lack of concrete evidence supporting its existence.

The mysterious SR-91 “Aurora ... plane project to replace the aging and expensive-to-maintain SR-71 Blackbirds. The government studied proposals for a manned, hypersonic, stealth spy plane ...

It is believed however some of the reports may have been glimpses of a long rumoured 5,000mph hypersonic US spy plane known as the "Aurora". And in a stroke of extraordinary luck, one of the most ...

Recent hints that Lockheed Martin’s Skunk Works division may have already delivered an advanced new spy plane to the United States Air Force have prompted a resurgence in speculation about a secretive ...

Chris Gibson, who was working at a site in the North Sea as an engineer, said he first "spotted" the mysterious plane way back in August 1989. Known as the Aurora, Mr Gibson, who at the time was a ...

that rattled Southern California on Wednesday afternoon — or was it the return of Aurora, the nation’s long-rumored, never-confirmed, some-say-mythological super-secret, super-fast spy plane?