Morning Overview on MSN
A space rock was caught hours before impact, and it shocked experts
A small asteroid spotted only hours before it struck the atmosphere has become a touchstone for how fragile, and how powerful ...
Morning Overview on MSN
A mysterious deep-space X-ray may be a star torn by two black holes
A strange X-ray beacon from deep space has revived a decades-old mystery and opened a window onto one of the universe’s most violent possibilities. Astronomers now suspect that this flicker in the ...
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