21h
Space.com on MSNESA's new documentary paints worrying picture of Earth's orbital junk problemThe European Space Agency's new documentary short tackles the question of whether space debris has reached crisis level.
22h
Live Science on MSNNorth America is 'dripping' down into Earth's mantle, scientists discoverSeismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...
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