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Mercury's Ancient Magma Ocean
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| Topic: Mercury |
02/26/13 |
| Summary:
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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Russian Meteor Created a Huge Infrasonic Blast
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| Topic: Meteorites, Comets and Asteroids |
02/25/13 |
| Summary:
Infrasonic waves from the meteor that broke up over Russia's Ural mountains last week were the largest ever recorded by the Comprehensive Nuclear-Test-Ban Treaty Organization's International Monitoring System. |
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Dodging the Extinction Bullet
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| Topic: Extreme Life |
02/24/13 |
| Summary:
Biologists have found that the mutation that helps an organism survive in the harshest environment is often dependent on a "relay team" of other mutations that came before, mutations that emerge only as conditions worsen at gradual and moderate rates. |
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Instruments Chosen for Jupiter Icy Moons Orbiter
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| Topic: Jupiter System |
02/24/13 |
| Summary:
The JUpiter ICy moons Explorer mission, JUICE, will carry a total of 11 scientific experiments to study the gas giant planet and its large ocean-bearing moons. |
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Radar Movie of Asteroid Flyby
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| Topic: Meteorites, Comets and Asteroids |
02/23/13 |
| Summary:
NASA scientists have released an initial sequence of radar images of asteroid 2012 DA14 that was obtained on the night of Feb. 15/16, 2013 using the Deep Space Network antenna. |
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Curiosity's First Drill Sample
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| Topic: Mars |
02/23/13 |
| Summary:
NASA's Mars rover Curiosity has successfully obtained the first sample ever collected from the interior of a rock on another planet. The rock selected for the first sample drilling may hold evidence of wet environmental conditions long ago. |
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In Memoriam: David McKay
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| Topic: Meteorites, Comets and Asteroids |
02/22/13 |
| Summary:
Dr. David S. McKay passed away peacefully in his sleep in the early morning hours of February 20th, 2013. He was 77. |
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Kepler Mission Discovers Small Planetary System
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| Topic: New Planets |
02/22/13 |
| Summary:
Astronomers have discovered a new planetary system that is home to the smallest planet yet found around a star similar to our Sun. The planet, Kepler-37b, is smaller than Mercury and only slightly larger than the Moon. |
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Ancient Sea Creatures Yield Oldest Fossil Biomolecules
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| Topic: Origin & Evolution of Life |
02/21/13 |
| Summary:
Scientists have found 350-million-year-old fossils that contain intact organic molecules sealed in their pores. Prior to this discovery, it was thought that complex organic molecules couldn't survive fossilization. |
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