Science

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A Space Invader Is Here

An intergalactic war is going on, but not the kind we used to read about in science fiction magazines

Samples of rock from Chicxulub Crater

A Tale of Two Rocks

Retrieved from a mile beneath the earth's surface 65 million years after their creation, they bear witness to a cataclysm - and the death of the dinosaurs

Tyrannosaurus rex

Digging for Dinosaur Gold

A complicated battle over one fossil Tyrannosaurus rex—and the high-stakes auction of another—raises a big question: Who gets to own the bones?

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Making Room for Prairie Dogs

These rodents are cute— if you're not a suburban homeowner watching your grass disappear. Millions live on the prairies, yet the rascals are in trouble

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R2-D2 Gets Real

Keep your eyes on the sky—a flock of robots may be heading your way

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More Violence Overhead

Bursts of gamma rays have been a mystery for 30 years; Now, with new satellites, we have some clues

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The Joys of Rehabbing

Rehabilitating injured or abandoned wildlife fulfills the longing of many animal lovers to know other bloods

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The Beauty of Bare Bones

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To Reproduce, Mussels Go Fishing

The evolution of this freshwater pearl-maker reaches its apex in our Southeastern rivers

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Solving the Aging Puzzle

Evolution may tell us why living things—including humans—age at such diverse rates

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Will the Dunes March Once Again?

As recently as 200 years ago, dunes and sheet sand were active throughout the Great Plains. A serious drought could bring them back

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The Belled Viper

Even hunters of timber rattlers now admit that these snakes are shy, placid — and very fragile

Coyote Creek

A Creek Defies the Odds

Thanks to 300 volunteers, steelhead are back again, despite highways, offices and a campus

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Geology That's Alive

Volcanologist Richard Fiske loves fieldwork most of all--when he's on the job, the Earth moves

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Mustangs on the Move

Without free-roaming bands of wild horses, the American West just wouldn't be the same

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From Twigs to Ravens, Nothing Escapes the Notice of Bernd Heinrich

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Star Wars on the Mall

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Hot-Rock Cooking Party

For archaeologists, the proof is in the pudding— or rather, in the agave, cactus and other goodies

Lobsters in a tank at a fish market

Claws

In Down East Maine, the lobster means more than seafood

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Nitrogen

It's colorless, odorless and gets no respect, but it's vital to the cycle of life— and we may be using too much

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