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Hot Topic
Solar System
Earth
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Key to Mass Extinctions Could be Future Food and Fuel
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| Topic: Earth |
04/20/13 |
| A potential culprit in several of the largest extinctions in Earth's history might also benefit the future of life on Earth. A new study indicates that low doses of 'sewer gas' could enhance plant growth for food and biofuel production. |
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NASA Mission Will Track Earth's Ozone
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| Topic: Earth |
04/03/13 |
| Life as we know it on Earth would not be possible without the fragile layer of ozone 25 km above our planet's surface. NASA is now preparing to launch the most sophisticated space-based ozone sensor ever. |
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How Earth's Interior Affects the Climate
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| Topic: Earth |
03/20/13 |
| A new study shows that activity beneath the Earth's surface could have been responsible for ancient sea level rise and global warming at the Earth's surface. |
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New Information about 'Snowball Earth' Period
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| Topic: Earth |
03/03/13 |
| New research might help explain how Earth sprung back after a period of extensive glaciation known as 'Snowball Earth.' The key may have been significant changes in the atmospheric conditions on the planet. |
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Mineral Diversity Clue to Early Earth Chemistry
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| Topic: Earth |
03/02/13 |
| New research on a mineral called molybdenite is helping scientists understand how geological and biological processes have helped shaped the chemistry of planet Earth. |
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Volcano Location Could Be Greenhouse-Icehouse Key
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| Topic: Earth |
02/09/13 |
| A new study is shedding light on one of Earth's enduring climate mysteries. Earth has flipped between 'greenhouse' and 'icehouse' states for the past 500 million years. This process may have been driven by episodic flare-ups of volcanoes at key locations around the planet. |
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Oxygen to the Core
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| Topic: Earth |
01/16/13 |
| A new study shows that Earth's core formed in the presence of more oxidizing conditions than previously thought. The study is helping scientists understand the distribution of planet-forming materials in the early Solar System. |
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Swansong Biospheres
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| Topic: Earth |
12/20/12 |
| Billions of years from now, life on Earth will be extinguished when the Sun becomes a Red Giant star. New research determines the last places life will exist before our planet is sterilized. |
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Why the World Didn't End Yesterday
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| Topic: Earth |
12/18/12 |
| NASA is so sure the world won't come to an end on Dec. 21, 2012, they have already released this news item for the day after. |
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