Africa is slowly tearing itself in two. Scientists predict that this seismic split, currently in its infancy ... (EARS), one of the largest rifts on Earth, stretching across Ethiopia, Kenya ...
21hon MSN
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...
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