13 December 2019
Russian space agency Roscosmos is creating a center devoted to monitoring meteors, comets, and asteroids to ensure they don't collide with Earth — even it means having to blow them up in space.
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Scientists mapping the bedrock beneath Greenland believe they've uncovered a vast, thousand-mile-long river hiding underground. The vast underground network likely drains melted glacier ice from the center of the massive island to the sea.
Paradox-Free Time Travel Possible With Many Parallel Universes