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Hot Topic
Solar System
Earth
Climate
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Extinction Followed Eruption
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| Topic: Climate |
07/25/08 |
| A new study indicates that undersea volcanic activity may have triggered an extinction event in the Earth's oceans. The extinction occurred 93 million years ago and is responsible for creating some of today's major oil reserves. |
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Signals from an Infant Earth
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| Topic: Climate |
07/14/08 |
| Precise dating of zircon crystals suggests that Earth may have been conducive to life even before an epic influx of asteroids pummeled our planet 4 billion years ago. |
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Epic Ebbs and Flows
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| Topic: Climate |
06/24/08 |
| A new study shows that changes in sea levels and ocean sediments may be responsible for some of the greatest mass extinctions in history.The research sheds light on the connections between life and the environment of Earth. |
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Turning Earth Into Venus
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| Topic: Climate |
05/22/08 |
| A new study finds that prolonged heating of a planet's atmosphere can shut down plate tectonics. The study could have important implications for our understanding of climates on terrestrial planets like Earth and Venus. |
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Oceans Gasping for Breath
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| Topic: Climate |
05/12/08 |
| During the Jurassic, global warming and severe environmental change led to the extinction of many species. One of the most intriguing effects was that the oceans became starved of oxygen. |
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Building a Super Greenhouse
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| Topic: Climate |
04/15/08 |
| Scientists have shown that biological productivity may have been responsible for super greenhouse episodes during the Cretaceous and Eocene. The finding provides important insights into the links between the biosphere and our planet's climate. |
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Viruses Keep Us Breathing
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| Topic: Climate |
04/04/08 |
| New research shows that viruses infecting microorganisms in Earth's oceans might ultimately be responsible for much of the oxygen produced on our planet. The study highlights important links between life and the global climate of Earth. |
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A Question of Climate
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| Topic: Climate |
02/25/08 |
| At its birth, our young planet was a ball of molten hot rock. How long did it take to cool down? The answer could indicate the conditions necessary for life to arise, and provide insight into the evolutionary history of life on Earth. |
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The Goldilocks Zone
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| Topic: Climate |
04/28/07 |
| Studying our solar neighbors, Mars and Venus, can provide climate scientists with valuable insights into the way climate catastrophes affect planets. The knowledge that scientists are gaining from current missions like Mars Express and Venus Express may help us understand the future of life on our planet. |
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Pies in the Sky: A Solution to Global Warming?
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| Topic: Climate |
04/23/07 |
| If global warming sizzles out of control, could 16 trillion small disks deflect enough sunlight to cool the planet? Astronomer Roger Angel proposes to find out. |
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