Deep in the cosmos, about a billion light-years away, a monster with a gargantuan appetite has woken up. For roughly 100 ...
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Supermassive black hole in galaxy J1007+3540 awakens after 100 million years, spewing powerful plasma jets across millions of light-years like a cosmic volcano ...
Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...