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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A jury member feels a piece of duck foie gras during a contest of local producers and producers from southwestern France. BOB EDME/ASSOCIATED PRESS hide caption

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American astronomer Edwin Hubble looks through the eyepiece of the 100-inch telescope at the Mount Wilson Observatory in Los Angeles, 1937. In 1929, Hubble proposed that the more distant a galaxy is, the faster it appears to be receding from us, a concept that has become known as Hubble's law. Margaret Bourke-White/Time & Life Pictures/Getty Images hide caption

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Credit Controversy: Who Made Key Cosmos Discovery?
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Nicolaus Copernicus made the astounding claim that Earth revolves around the sun, not the other way around. He's seen here circa 1515. Hulton Archive/Getty Images hide caption

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For Copernicus, A 'Perfect Heaven' Put Sun At Center
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Pythons' huge meals strengthen their hearts, and scientists hope it will help them learn how to treat human heart diseases.

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Eating Your Way To A Healthy Heart (If You're A Python)
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Adrian Beltre of the Texas Rangers is hit by a pitch from the Tampa Bay Rays' James Shields on Oct. 1 at Rangers Ballpark in Arlington, Texas.

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Pain At The Plate: Heat Increases Pitcher Retaliation
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Nature
Researchers Advance Cloning Of Human Embryos
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The Stratospheric Observatory for Infrared Astronomy, known as SOFIA, is a modified Boeing 747 airplane that houses a NASA telescope. Melissa Forsyth/NPR hide caption

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Flying Telescope Makes An Out-Of-This-World Find
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NASA's GRAIL mission to study the moon launches aboard a Delta II rocket at Kennedy Space Center on Sept. 10. Sandra Joseph and Don Kight/NASA hide caption

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Launch Logistics: Speedy Rocket, Slow Electronics
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A Swainson's thrush flies a mock-migration in the wind tunnel at the University of Western Ontario. Science/AAAS hide caption

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Thirsty Birds 'Burn The Engine' In Flight
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Does getting home from your vacation spot always seem to take less time than getting there? A new scientific study provides an explanation for why. Harold M. Lambert/Lambert/Getty Images hide caption

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Why The Trip Home Seems To Go By Faster
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A Remnant From Algae In Malaria Parasite May Prove Its Weakness
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