The sighting of a bright red sphere racing out of our galaxy at extreme speed has handed NASA one of its strangest puzzles in years. The object’s color, shape, and apparent velocity combine into a ...
Alien Probe, Sentient Machine, Nuclear Weapon, or Junk? What is the Betz Mystery Sphere? In the Spring of 1974, a large brush fire swept across the property owned by Antoine and Gerri Betz. While ...
Editor's Note: In this weekly series, LiveScience explores how technology drives scientific exploration and discovery. Look at a picture of the Earth at night, and the world appears to be, quite ...
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