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Science

Unknown in the Americas 30 years ago, lionfish have multiplied at a rate that is almost unheard of in marine history.

Invasion of the Lionfish

Voracious, venomous lionfish are the first exotic species to invade coral reefs. Now divers, fishermen—and cooks—are fighting back

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Swimming Proto-Birds?

The Hubble Space Telescope’s Finest Photos

Now that the telescope has received its final upgrades, we look back on Hubble’s most memorable images from space

Where do they go?  How many are there?  What's with the tusk?  Narwhals (in the Arctic Ocean) have inspired myth and wonder but are still little known to science.

In Search of the Mysterious Narwhal

Ballerina turned biologist Kristin Laidre gives her all to study the elusive, deep-diving, ice-loving whale known as the “unicorn of the sea”

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Wild Things: Life as We Know It

Dinosaur gangs, psychedelic fish and long-distance elephant calls

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Much Ado About Chicxulub

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