Science correspondent Allan Blackman talks about how the theory of quantum mechanics was born back in 1925, and the ways it's gone on to change our lives by enabling a range of technologies we now ...

Scientists simulated what would happen if a medium-size asteroid were to strike Earth. One of those space rocks, asteroid Bennu, has a 1-in-2,700 chance of hitting Earth in the year 2182.

Petrified wood is one of the most sought-after materials in the world for both its aesthetic value and its scientific value.

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