Two thirds of reef sharks and rays risk extinction: Study

Nearly two thirds of the sharks and rays that live among the world's corals are threatened with extinction, according to new research published Tuesday, with a warning this could further imperil precious reefs.

Deep learning can predict tsunami impacts in less than a second

Detailed predictions about how an approaching tsunami will impact the northeastern coastline in Japan can be made in fractions of a second rather than half an hour or so—buying precious time for people to take appropriate ...

Chinese spaceship with 3 aboard docks with space station

Three Chinese astronauts docked early Wednesday with their country's space station, where they will overlap for several days with the three-member crew already onboard and expand the facility to its maximum size.

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