Study: Diamonds link comet to mammal extinction - CNN.com
Tiny diamonds found in the soil are “strong evidence” a comet exploded on or above North America nearly 13,000 years ago, leading to the extinction of dozens of mammal species, according to a study.
Diamonds found in North American soil suggest a comet led to the extinction of dozens of mammal species.
Diamonds found in North American [...]
Countries in tug-of-war over Arctic resources - CNN.com
One of the planet’s most fragile and pristine ecosystems sits atop a bounty of untapped fossil fuels.
Melting polar ice is making the Arctic more accessible to shipping and other industry.
Melting polar ice is making the Arctic more accessible to shipping and other industry.
The U.S. Geological Survey estimates that 90 billion barrels of oil, 44 billion [...]
Mammoths Wiped Out by Prehistoric ‘Perfect Storm’?
A new theory ties together three explanations for the disappearance of mammoths.
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Warmer Temps Could Spread Tick-Borne Disease
Warming makes infected dog ticks more likely to bite people, suggests new research.
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Swarm of Yellowstone Quakes Baffles Scientists
Yellowstone is jostled by a host of small earthquakes for a third straight day.
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Top 10 Discovery News Videos of 2008
A recap of our 10 favorite video segments of 2008.
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2008: Year of the Natural Disaster?
Natural disasters killed more than 220,000 people in 2008, among the worst years on record.
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Did Drought Help End Roman Rule?
Clues preserved in an ancient cave link the fall of the Roman Empire with drought.
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Sprayed Aerosols Could Ease Climate Woes
Seeding the atmosphere with aerosols could help release heat into space.
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Tenn. Sludge Spill Challenges ‘Clean Coal’ Future
A massive spill at a Tenn. power plant illustrates the risks of clean coal tech.
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Tropics Cooled by Volcanic Eruptions
Particles spewed by erupting volcanoes have periodically cooled the tropics for centuries.
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On Earth, Evolution Booms in Bursts
Life on Earth has evolved in fits and starts, according to controversial new research.
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BLOG: Dike Burst Spills 525 Million Gallons of Sludge
An environmental disaster unfolds in Tennessee.
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Found: World’s Oldest Spider Web?
The world’s oldest spider web is found encased in a prehistoric piece of amber.
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New Pterosaur Species Unearthed in Sahara
The remains of two new species of extinct animals are found in remote Morocco.
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