The Messenger spacecraft is depicted over the Calvino Crater on Mercury in this enhanced-color image of the planet's surface. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington hide caption

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Spacecraft's Wild Ride To Mercury Yields Surprises
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Astronauts may have a particular affinity for Tabasco sauce in space because their sense of smell and taste is distorted. John Rose/NPR hide caption

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Why Astronauts Crave Tabasco Sauce
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The Large Synoptic Survey Telescope, seen in this artist's rendering, will be built on the peak of the Cerro Pachon mountain in Chile and will survey every patch of the night sky. The data the telescope will collect will allow researchers to "answer fundamentally different questions about the universe," says one astronomer. Todd Mason/LSST Corp. hide caption

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New Telescope To Make 10-Year Time Lapse Of Sky
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Mosquitoes like this one can carry the virus that causes dengue fever. James Gathany/CDC Public Health Image Library hide caption

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Deconstructing Dengue: How Old Is That Mosquito?
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Giant Magellan Telescope Giant Magellan Telescope hide caption

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Want To Make A Giant Telescope Mirror? Here's How
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AquaBounty's genetically modified salmon is seen swimming behind a much smaller wild Atlantic salmon of the same age. AquaBounty has been trying to get government approval to sell its salmon for more than a decade. Courtesy of AquaBounty Technologies hide caption

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Biotech Firms Caught In Regulatory No Man's Land
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For Lab Mice, The Medical Advances Keep Coming
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Leonardo DaVinci noted that when trees branch, smaller branches have a precise, mathematical relationship to the branch they sprang from. iStockphoto.com hide caption

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The Wisdom Of Trees (Leonardo Da Vinci Knew It)
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Cruising To Mars: The Rover's Tasks
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The compact car-sized Mars Science Laboratory is due to land on the red planet on Aug. 6, 2012. It is equipped with a suite of instruments to study rocks and soils, and take other measurements. NASA/JPL-Caltech hide caption

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New Roving Science Lab Charts A Course For Mars
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Flies are attracted to glycerol, a chemical in beer produced during fermentation. Understanding more about the genes responsible for taste and smell in flies could help make powerful insect repellents. iStockphoto.com hide caption

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Beer Or Sugar Water? For Flies, The Choice Is Pale Ale
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