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WATCH: Roof Blows Apart in Prague During Fierce Winds
VIDEO: Plasma Strands Erupt From the Sun
VIRAL: Eagle Plays Soccer in the Rain
For the third time in a two-year timespan, a “blood moon” will cast an eerie glow above Earth.
It’s been a mystery for 80 years—but gamma rays from a dwarf galaxy could finally tell scientists what dark matter is really made of.