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    One of the thousands of asteroids orbiting the sun has been found to have a mini planetary system of its own.
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    In recent years, new information — all of it relevant to the Mars debate — has emerged about both biological and non-biological sources of Earth’s methane.
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    When you’re on the moon, trying to fix some broken equipment, you don’t want to waste time fumbling around in oversized gloves trying to read the instruction manual. NASA’s solution: make the operations checklist electronic, and mount a display inside an astronaut’s helmet. Geologist Dean
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    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.
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    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,
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    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.
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    When Spirit reached the base of the hills five months after landing, it immediately began finding rocks with wetter histories
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    In recognition of those Mars Rover graphics in the PBS/NOVA program “Mars Dead or Alive,” Maas just received an Emmy Award nomination. His next big project was to simulate the dramatic impact of a bullet-like probe with a icy comet for the recent mission, Deep
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    We’ve had a lot of orbiters since the Mariner missions, and not only do we see water features in the land, but we also see evidence of tectonics, or possibly volcanic activity.
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    A planet larger than Pluto has been discovered in the outlying regions of the solar system. The planet is a typical member of the Kuiper belt, but its sheer size in relation to the nine planets already known means that it can only be classified
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    Chris McKay, a planetary research scientist at NASA Ames Research Center, gave a public lecture, sponsored by the Planetary Society, in which he talked about the scientific results of the Cassini-Huygens mission. In this first of four parts, McKay discusses Titan’s atmosphere.
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    Dr. Dean Eppler is a geologist at the Johnson Space Center in Houston, Texas. For the past eight years, Eppler has participated in field tests of experimental spacesuits as part of the Desert RATS (Research and Technology Studies) project. The suits are being tested to
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    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
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    Life on Earth was made possible by the death of stars. Atoms like carbon and oxygen were expelled in the last few dying gasps of stars after their final supplies of hydrogen fuel were used up.
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    The discovery that Europa most likely has a cold, salty ocean beneath its frozen icy crust has put Europa on the short list of objects in our solar system that astrobiologists would like to study further
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