NASA’s Mars helicopter blades broke the sound barrier without disintegrating, and JPL may have unlocked the next leap in alien flight

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of ...

Spaceships over Doncaster: The truth about UFOs – and how believers may be wired differently

Scientists, doctors, intelligence officials and ordinary Britons are increasingly willing to discuss experiences once ...