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 Earth's Wobble Burps
Researchers have uncovered startling new evidence about an extreme period of a sudden, fatal dose of global warming some 180 million years ago during the time of the dinosaurs. The scientists' findings could provide vital clues about climate change happening today and in the future. 01/12/09



 
 Asteroid Riddling
Ancient main belt asteroids identical in size to present-day asteroids in the Mars-Jupiter belt -- not comets -- hammered the inner rocky planets in a unique catastrophe that lasted for a blink of geologic time, anywhere from 20 million to 150 million years. 01/12/09



 
 By Design
Brother Guy Consolmagno, astronomer to the Vatican, discusses his views of the controversy over intelligent design, as well as the historical clashes between science and religion. 01/12/09



 
 The Living Worlds Hypothesis
When the Cassini-Huygens mission parted Titan's smoggy veil, it revealed a familiar and yet utterly alien landscape, one where now-dry methane rivers carved out channels in mountains of ice. There's no evidence for biology on Titan's frozen terrain, but in this interview with Astrobiology Magazine, David Grinspoon ponders whether life could exist there today. 01/12/09



 
 Deciphering Mars: The Future
At the recent Earth System Processes II conference, Jack Farmer gave a talk on the current state of understanding about Mars: what we know and what we'd like to know. In this, the third and final part of a three-part series, he outlines the options for future Mars exploration. 01/12/09



 
 Desert RATS Test Robotic Rover
Earlier this month, a group of scientists and engineers converged in the Arizona desert near Meteor Crater to "practice" for future human missions to the moon and Mars. This year's experiments focused on interaction between space-suited "astronauts" and a very sophisticated rover named SCOUT. 01/12/09



 
 Sunshine on Comets
Jessica Sunshine is the Deep Impact mission scientist responsible for the onboard infrared spectrometer. In the first half of this two-part interview, she discusses what the comet's nucleus looked like before and after impact, and explains why it's so difficult to piece together the spectroscopic data. 01/12/09



 
 Sunshine on Comets
Jessica Sunshine is the Deep Impact mission scientist responsible for the onboard infrared spectrometer. In the second half of this two-part interview, she discusses whether Deep Impact has altered our ideas of how comets are formed and how important they've been in Earth's history. 01/12/09



 
 Kuiper Belt Adding to its Notches
The newly discovered 10th planet, 2003 UB313, is looking more and more like one of the solar system's major players. 01/12/09



 
 Learning to Work in the Suit
What's it like to walk around on Mars in a space suit? No-one knows for sure. But geologist Dean Eppler has come as close as anyone. In this interview, he talks about his experience working in the Mark III experimental suit, as part of this year's Desert RATS field season. 01/12/09


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