Scientists track salmon, sharks and other sea creatures along the Pacific Coast.
Commercial road could cut off millions of animals, if built.
Boundary between older and newer portions of continent probed.
Pathway now a solid layer of ice.
Antifreeze proteins keep the blood pumping.
These El Niños warm different Pacific waters.
Effort hopes to conserve tiger species on the brink of extinction.
Hiking the Himalayas
Ancient cultures, unique creatures on…
The Ancient Roman Baths of Bath, England
Natural springs were revered by ancient…
Journey into the Tropical Andes
Unique plants and animals dot this cool,…
Infographic: Earth's Atmosphere Top to Bottom
What's up there, from the surface to the…
The Gulf's unique ecosystems are slowly recovering, but will never be the same.
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Relics from Tragic Race to South Pole Up for Sale
Skis, other equipment belonged to expedition survivor.
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Computers Take a Closer Look Inside the Earth
Better models could improve earthquake prediction.
Many non-scientists still misunderstand what sea ice really is.
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Deep Ocean Diving Just a Click Away
Expedition to map and sample deep sea lets public watch…
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First Frozen Coral Sperm and Egg Bank Created
Stored genes could repopulate endangered coral reefs.
Earl could threaten East Coast of United States.
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Size of Ash from Icelandic Volcano Stuns Scientists
Iceland volcano eruption did more than just disrupt travel.
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Strange Honeycomb Cloud Patterns Explained
Understanding cloud shifts helps refine climate models.
This pea-sized amphibian was found in Borneo's damp forests.
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Mysterious 'Bearded' Antelope Photographed
The shaggy Thomson's gazelle puzzles experts.
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Rare, Endangered Toads Flown Back to Native Habitat
Unusual toads reared in U.S. zoos returned to homeland.



