The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

Suni Williams and Butch Wilmore returned to Earth in a SpaceX capsule after problems with a Boeing vehicle set in motion an ...

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First, I’m going to find out which half of the Earth he’s on. Running around the middle of the planet is an imaginary line called the Equator. Well I’m on the half that’s above the Equator ...