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Ediacarans on Land
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| Topic: Origin & Evolution of Life |
12/16/12 |
| Summary: A new study has removed Ediacaran fossils from the ancestry of animals. Ediacaran fossils are the oldest large multicellular fossils and have long been a scientific mystery. |
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A Mini Nile River on Titan
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| Topic: Titan |
12/15/12 |
| Summary: Cassini has spotted a river valley on Titan that stretches more than 400km from its 'headwaters' to a large sea. |
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A New Way to Look at the Dawn of Life
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| Topic: Origin & Evolution of Life |
12/15/12 |
| Summary: A new approach to the question of life's origin focuses not on the chemical 'hardware' of life, but instead the 'software' or information content. |
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Six Minutes in the Sun
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| Topic: Sun |
12/14/12 |
| Summary: This month, a NASA mission will make its third launch into space for a six-minute flight to gather information about the Sun. |
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Venus Transit and Lunar Mirror Help Find Exoplanets
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| Topic: Venus |
12/14/12 |
| Summary: When Venus passed between the Earth and the Sun on June 6, 2012, astronomers used the opportunity to watch how the sunlight reflected off the Moon changed during the transit. The technique could help scientists to find planets in orbit around other stars. |
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Bearing the Brunt of a Meteorite Impact
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| Topic: Meteorites, Comets and Asteroids |
12/13/12 |
| Summary: High-speed video is helping scientists understand how meteorites transfer the energy of impact to sand and dirt grains. |
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Curious About Life: Interview with Darby Dyar
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| Topic: Mars |
12/13/12 |
| Summary: In this interview, Darby Dyar explains how Curiosity rover's ChemCam instrument will probe the rocks of Mars to learn about the planet from the inside out. |
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Searching Distant Stars for Complex Molecules
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| Topic: Cosmic Evolution |
12/12/12 |
| Summary: On a series of nighttime flights, astrobiologists will soon use an airborne observatory to search newly born stars for molecules essential to the origins of life. |
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Mining Ancient Ores for Clues to Early Life
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| Topic: Geology |
12/12/12 |
| Summary: Sulfide ore deposits from a mine in Canada confirm that oxygen levels on Earth 2.7 billion years ago were extremely low, but they also indicate that microbes were actively feeding on sulfate in the planet's oceans. |
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What's Creating Gullies on Vesta?
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| Topic: Meteorites, Comets and Asteroids |
12/11/12 |
| Summary: Scientists have spotted gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta. |
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