Alien Probe, Sentient Machine, Nuclear Weapon, or Junk? What is the Betz Mystery Sphere? In the Spring of 1974, a large brush ...

when it uploaded critical data obtained from Philae's prodding and probing of its alien world. Since then, the robot probe has gone "back to 'silent mode'," said the statement. The DLR Lander ...

Theories are many, and scientists have suggested the usual suspects including a comet or asteroid, as well as more “out there” possibilities like an alien ship or probe. Now, one veteran ...