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Cassini finds 'The Big Empty' close to Saturn

As NASA's Cassini spacecraft prepares to shoot the narrow gap between Saturn and its rings for the second time in its Grand Finale, Cassini engineers are delighted, while ring scientists are puzzled, that the region appears ...

How do birds dive safely at high speeds? New research explains

To surprise their prey, some species of seabirds dive into the water at speeds greater than 50 miles per hour. A human diver entering the water that fast would likely sustain serious injuries, but birds, such as gannets and ...

China submersible breaks 7,000-metre mark

A manned Chinese submersible broke through the 7,000-metre mark for a new national record on Sunday, state media said, as the rising Asian nation showed off its technological might.

Researcher dives to Challenger Deep

A Woods Hole Oceanographic Institution researcher became one of just a handful of people to visit the deepest part of the ocean following a successful dive in the deep-submergence vehicle Limiting Factor on Monday.

Risso's dolphins plan their dives

Slipping beneath the surface of the water in pursuit of food sets the timer ticking for hungry dolphins; the pressure is on to locate food and make it back to the surface before they run out of oxygen.

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