Green Matters on MSN

Scientists capture 'eerie' sound of Earth's magnetic field flipping about 41,000 years ago

A combination of satellite data and natural noises produced a soundtrack of nature.
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NASA sounds fresh alert: Two asteroids racing past Earth in back-to-back flybys; what you need to know

The sky has once again captured global attention after NASA issued a fresh alert about two back-to-back asteroid approaches expected to pass near Earth soon. The phrase may sound dramatic and ...