Science

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Dinosaur Sighting: Tyrannosaurus Guards Google

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Picture of the Week—Project Pebble

The University of Cambridge Department of Engineering hosted a photography contest earlier this year, and the winners have just been announced

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An Honor and a Party for Stephen Hawking

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Walking With Dinosaurs to Fight Cancer

Although the lander may appear “flimsy and gangly,” says NASM curator Allan Needell, the craft represents “a very pure design built for a very specific mission.”

Apollo 11's Giant Leap for Mankind

When the lunar module landed on the moon, it provided an unforgettable moment for the millions watching back on Earth

"Now it's off to the races," botanist Dave Erickson says of a project to barcode 250 species of plant life on Plummers Island.

Cracking the DNA Code

On a small island near Washington, D.C., Smithsonian researchers have found a genetic code that could revolutionize botany

The 190-mile-long Cahaba River is home to many rare species, some of which were thought to be extinct. The showy Cahaba lily (at Halfmile Shoals) thrives in clean, clear, rapidly flowing water.

The Cahaba: A River of Riches

An unsung Alabama waterway is one of the most biologically diverse places in the nation, home to rare flora and fauna

At an 18th-century auction in Amsterdam, Vermeer's Woman in Blue Reading a Letter sold for about one-third the amount that its owner spent to obtain a then rare Conus gloriamaris shell.

Mad About Seashells

Collectors have long prized mollusks for their beautiful exteriors, but for scientists, it’s what inside that matters

Galileo was the first to discover the moons of Jupiter.

Galileo's Revolutionary Vision Helped Usher In Modern Astronomy

The Italian scientist turned his telescope toward the stars and changed our view of the universe

In the '80s, the challenge was to limit acid rain from power plants; now, it's to cut carbon emissions.

The Political History of Cap and Trade

How an unlikely mix of environmentalists and free-market conservatives hammered out the strategy known as cap-and-trade

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Were the Dinosaurs too Spiny to Survive?

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Typhoon Morakot Reminds Us to Prepare for Hurricanes

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Marshmallows and a Successful Life

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Tussling over "Tinker" the Tyrannosaurus

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Oops! Dinosaur Find Actually Fossilized Wood!

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Five Favorite Penguins Outside Antarctica

Of all the species of penguins, more than half can be found only outside Antarctica. One of our favorites is in the Galapagos

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Dinosaur Sighting: Roadside Tyrannosaurus

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Picture of the Week — Ancient Spider in 3-D

Meteor Crater in Arizona is 4,000 feet wide and almost 600 feet deep.

The Ten Most Spectacular Geologic Sites

Smithsonian picks the top natural wonders in the continental United States

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Orangutans Use Leaves to Sound Bigger

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