From Conservation to Population, a New Look at Planet Earth
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Can nine billion humans survive and try to improve their lives without depleting the planet?
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The hunt for extraterrestrial life has a new tool: a system of "fingerprints" scientists will use to compare alien worlds with Earth as it has appeared over the eons.
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An ambitious project to catalog life in the ocean shows that so far we've just scratched the surface. By Stephen Leahy.
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Whenever the world's tropical seas warm several degrees, Earth has experienced mass extinctions over millions of years, according to a first-of-its-kind statistical study of fossil records.
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Science & environment: Â· Scientists shed new light on disputed skeleton findÂ· Bone analysis supports distinct species theory
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A new technique for tracking endangered species' genes borrows concepts from electrical engineering. Commentary by Carl Zimmer.
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By Aldrich, Stephen P; Walker, Robert T; Arima, Eugenio Y; Caldas, Marcellus M; Et al  Abstract:  Tropical deforestation is a significant driver of global environmental change, given its impacts on the carbon cycle and biodiversity.
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The scale of the extinction threat facing animals and plants is made clear in the latest Red List from the IUCN-The World Conservation Union.
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A decade of satellite surveys of the oceans has revealed that warmer years cause a decline in phytoplankton, the vast clouds of tiny drifting plants that are a fundamental component of marine life.
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Astronomers have yet to find an Earth-size planet beyond our solar system, but that hasn&#39;t stopped them from modeling what these worlds might look like.
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Global warming could cut a swathe through the planet's species over the coming centuries, warns a study released Wednesday that shows a link between rising temperatures and mass extinctions reaching back half a billion years.
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A report will describe a growing body of evidence that warming is likely to cause a profound transformation of the planet.
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A new spectrometer lets scientists learn more about the planet's chemistry.
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A new Audubon study is one of the most comprehensive looks at bird-population trends in North America.
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Two new discoveries suggest that sunlike solar systems like ours â with life-hosting planets â are more common than previously thought.
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About one third of amphibians are under threat of extinction in a new sign of the world&#39;s deteriorating environment, according to researchers who carried out a global census.
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The human race is plundering the planet at a pace that outstrips its capacity to support life, according to a report by WWF. The Living Planet Report 2004 shows that humans currently consume 20 per cent more