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New Information about 'Snowball Earth' Period
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| Topic: Earth |
03/03/13 |
| Summary:
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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Icy Start for Amino Acid and DNA Ingredients
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| Topic: Origin & Evolution of Life |
03/02/13 |
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Researchers have discovered an important pair of prebiotic molecules in interstellar space, indicating that some basic chemicals that are key to the origin of life may have formed on dusty ice grains floating between the stars. |
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Mineral Diversity Clue to Early Earth Chemistry
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| Topic: Earth |
03/02/13 |
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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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A New Radiation Belt Around Earth
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| Topic: Spaceship Earth |
03/01/13 |
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NASA's Van Allen Probes mission has discovered a previously unknown third radiation belt around Earth. The belts are critical regions for modern society, which is dependent on many space-based technologies. |
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The Birth of a Gas Giant Planet?
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| Topic: New Planets |
02/28/13 |
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Astronomers have obtained what is likely the first direct observation of a forming planet still embedded in a thick disc of gas and dust. |
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Astronomers Calculate Origins of Russian Meteor
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| Topic: Meteorites, Comets and Asteroids |
02/27/13 |
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A team of reseearchers have used triangulation and two videos to determine the origins of the space rock that exploded over Russia. |
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Target: Asteroid Didymos
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| Topic: Meteorites, Comets and Asteroids |
02/27/13 |
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A target has been selected for the proposed Asteroid Impact and Deflection Assessment mission (AIDA). AIDA will intercept Didymos as the asteroid makes its closest approach to Earth in 2022. |
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Mercury's Ancient Magma Ocean
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| Topic: Mercury |
02/26/13 |
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Scientists have partially reconstructed Mercury's history over billions of years, revealing that the planet may have harbored a large, rolling ocean of magma. |
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Vibrant Mix of Sea Life at Extreme Depths
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| Topic: Extreme Life |
02/26/13 |
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The first results from a record-setting expedition into the world's deepest points, including the Pacific Ocean's Mariana Trench, has revealed previously unexplored ecosystems in the cold, dark, and highly pressurized depths. |
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