An astrophysicist explains what wormholes are and how these theoretical space-time tunnels have popped up in the solutions to a set of decadesold equations.
A NASA scientist is warning that Earth currently has no reliable way to stop thousands of so-called “city-killing” asteroids that could one day strike the pla ...
Declassified documents released in 2013 during Obama’s presidency acknowledged the existence of Area 51, saying that the secret government space was used as an aerial testing ground for U.S.
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