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The Origin and Maintenance of a Retrograde Planet
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| Topic: New Planets |
01/25/13 |
| Summary: Astronomers have revealed new details about the HAT-P-7 planetary system. The study includes the discovery of a companion star and the confirmation of a new giant planet that orbits outside of the retrograde planet HAT-P-7b. |
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Developing a Robotic Fleet to Mine Asteroids
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| Topic: Meteorites, Comets and Asteroids |
01/23/13 |
| Summary: Commercial asteroid hunters are planning to send a fleet of asteroid-prospecting spacecraft to hunt for resources to accelerate space development to benefit Earth. |
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Clues to a Biosphere on Mars
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| Topic: Mars |
01/23/13 |
| Summary: A new study argues that the subsurface environment on Mars may hold clues to the origin of life. |
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'Quadruple Helix' DNA Discovered in Humans
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| Topic: Origin & Evolution of Life |
01/22/13 |
| Summary: Researchers have proved that four-stranded 'guadruple helix' DNA structures exist within the human genome. The finding could have implications in the treatment of cancer. |
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Did an 8th Century Gamma Ray Burst Zap Earth?
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| Topic: Spaceship Earth |
01/22/13 |
| Summary: The presence of high levels of the isotope carbon-14 and beryllium-10 in tree rings may indicate that a nearby, short-duration gamma-ray burst irradiated the Earth in the 8th century. |
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Studying Ancient Earth's Geochemistry
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| Topic: Geology |
01/21/13 |
| Summary: New research shows that some of the tectonic processes driving volcanic activity today were occurring as early as 3.8 billion years ago. The study provides new insight about the early environment of Earth. |
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Going Home
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| Topic: Missions |
01/21/13 |
| Summary: As his mission comes to an end, Expedition 31 crew member, Don Pettit, reflects on the view of Earth and beyond from the International Space Station. |
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