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Hot Topic
Solar System
Earth
Spaceship Earth
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Supernova Left Its Mark in Ancient Bacteria
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| Topic: Spaceship Earth |
04/17/13 |
| Scientists have discovered that sediment in the deep-sea may hold radioactive iron from a supernova that happened 2.2 million years ago. The remnants of the stellar explosion may be preserved in fossilized remains of iron-loving bacteria. |
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A New Radiation Belt Around Earth
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| Topic: Spaceship Earth |
03/01/13 |
| 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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How Changes in the Sun Impact Earth's Climate
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| Topic: Spaceship Earth |
01/29/13 |
| A new report describes some surprisingly complex ways in which the Sun affects Earth's climate. Radiation from the Sun impacts everything from the Earth's upper atmosphere down to our planet's surface, and plays in important role in shpaing the future of life on Earth. |
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Did an 8th Century Gamma Ray Burst Zap Earth?
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| Topic: Spaceship Earth |
01/22/13 |
| 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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Earth's Magnetosphere Acts Like a Sieve
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| Topic: Spaceship Earth |
10/25/12 |
| The Cluster mission has discovered that Earth's protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed. |
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NASA Launches Mission to Radiation Belts
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| Topic: Spaceship Earth |
09/02/12 |
| NASA's Radiation Belt Storm Probes mission has launched from Cape Canaveral. The twin-spacecraft mission will study the radiation belts, providing important information about the connections between the Sun and the Earth. |
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The Electric Atmosphere
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| Topic: Spaceship Earth |
07/21/12 |
| Scientists have designed a new suite of instruments that will help us better understand how Earth's protective atmosphere helps protect life as we know it from electrified particles that dominate the Universe. |
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Warning System for Solar Storms
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| Topic: Spaceship Earth |
07/15/12 |
| Massive explosions on the Sun can unleash radiation that is dangerous for humans and robotic missions in orbit. Now, researchers have developed a warning system that can forecast the radiation from these storms up to three hours in advance. |
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Hidden Portals in Earth's Magnetic Field
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| Topic: Spaceship Earth |
07/07/12 |
| Researchers have discovered a method for finding 'portals' that lead directly from the Earth to the atmosphere of the Sun 93 million miles away. |
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