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  1. This NASA Hubble Space Telescope image shows Mars in 2005. A new detailed map of Mars shows what was likely a vast ocean in the north and valleys around the equator, suggesting that the planet once had a humid, rainy climate, according to research published Monday.(AFP/NASA-HO/File)
    New Map Bolsters Case for Ancient Ocean on Mars SPACE.com - Mon Nov 23, 5:30 PM ET

    Several lines of evidence point to the possibility of a past ocean on Mars, from apparent ancient shorelines to chemicals in the soil.

  2. This undated photo released by Census of Marine Life and the Woods Hole Oceanographic Institution shows a transparent sea cucumber, Enypniastes, creeping forward on its many tentacles at about 2 cm per minute while sweeping detritus-rich sediment into its mouth at 2,750 meters in the Northern Gulf of Mexico. Thousands of marine species eke out an existence in the ocean's pitch-black depths by feeding on the snowlike decaying matter that cascades down, and even sunken whale bones, according to a report released Sunday, Nov. 22, 2009. (AP Photo/Larry Madin) NO SALES, MANDATORY CREDIT, EDITORIAL USE ONLY
    Thousands of strange creatures found deep in ocean AP - Sun Nov 22, 3:51 PM ET

    NEW ORLEANS - The creatures living in the depths of the ocean are as weird and outlandish as the creations in a Dr. Seuss book: tentacled transparent sea cucumbers, primitive "dumbos" that flap ear-like fins, and tubeworms that feed on oil deposits.

  3. German Rolf-Dieter Heuer, right, Director General of CERN, and Steve Myers, left, CERN's Director for Accelerators and Technology, seen, during a press conference on the LHC (Large Hadron Collider) restart at CERN (the European particle physics laboratory) in Meyrin, near Geneva, Switzerland, Monday, Nov. 23, 2009. Scientists turned on the Large Hadron Collider on Friday night, Nov. 20, 2009, for the first time since the machine suffered a failure more than a year ago and had to be shut down shortly after the start. (AP Photo/Keystone, Laurent Gillieron)
    Big Bang atom smasher starts speeding proton beams AP - 40 minutes ago

    GENEVA - A spokesman says the world's largest atom smasher has used its accelerator for the first time to speed up the proton beams in an initial test of its ability to reach much higher energy later.

  4. Why Kids Ask Why LiveScience.com - Mon Nov 23, 11:46 AM ET

    A child's never-ending "why's" aren't meant to exasperate parents, scientists say. Rather, the kiddy queries are genuine attempts at getting at the truth, and tots respond better to some answers than others.

  5. File photo shows people evacuating a village close to Havana following Hurrican Ike. Flooding in the world's major port cities caused by melting icecaps could cause up to 28 trillion dollars (18 trillion euros) in damage in 2050, environmental group WWF said in a report Monday.(AFP/File/Adalberto Roque)
    Melting icecaps to damage major port cities: WWF AFP - Mon Nov 23, 1:56 AM ET

    GENEVA (AFP) - Flooding in the world's major port cities caused by melting icecaps could cause up to 28 trillion dollars (18 trillion euros) in damage in 2050, environmental group WWF said in a report Monday.

  6. Shocking Treatment Helps Erectile Dysfunction LiveScience.com - Mon Nov 23, 8:36 AM ET

    If you experience impotence, instead of a little blue pill maybe you want to apply shockwaves to your privates instead.

  7. Teensy Chameleon Is New Species LiveScience.com - Mon Nov 23, 6:46 PM ET

    A tiny chameleon species with a scaly horn atop its snout and blue dots on its limbs has been discovered in Tanzanian forests.

  8. This NASA picture shows US astronaut Randy Bresnik at the International Space Station. Astronauts from the US space shuttle Atlantis ventured into open space on the third and final spacewalk of their mission to maintain and install more high-tech equipment on the International Space Station.(AFP/NASA)
    Astronauts rest up after 3 spacewalks AP - 1 hour, 35 minutes ago

    CAPE CANAVERAL, Fla. - The astronauts aboard the orbiting shuttle-station complex are resting after their three successful spacewalks.

  9. Warming's impacts sped up, worsened since Kyoto AP - Mon Nov 23, 12:00 AM ET

    WASHINGTON - Since the 1997 international accord to fight global warming, climate change has worsened and accelerated — beyond some of the grimmest of warnings made back then.

  10. Strong Leonid Meteor Shower Peaks Early Tuesday Morning SPACE.com - Mon Nov 16, 12:30 PM ET

    One of the best annual meteor showers will peak in the pre-dawn hours Tuesday, and for some skywatchers the show could be quite impressive.

  11. Opposition debate Australian carbon reduction laws AP - Tue Nov 24, 12:26 AM ET

    CANBERRA, Australia - Australia's government took a key step toward passing legislation to curb greenhouse gas emissions by negotiating a compromise deal with the opposition Liberal Party, and Prime Minister Kevin Rudd urged lawmakers Tuesday to support the bill.

  12. This NOAA satellite image taken Monday, Nov. 23, 2009 at 12:45 a.m. EST shows a dense patch of clouds highlighting a developing area of low pressure just off the coast of the Carolinas. Moist flow around this system sparks cloudy skies and showers in the Mid-Atlantic. Additional precipitation and areas of freezing fog develop from Wisconsin through Iowa as a frontal boundary stalls in the Upper Mississippi Valley and the Central Plains. (AP PHOTO/WEATHER UNDERGROUND)
    The nation's weather AP - Mon Nov 23, 5:17 AM ET

    Drier weather was expected to return to much of the West on Monday as a building ridge of high pressure replaces the eastern Pacific storm from Sunday.

  13. Texting a Pain in the Neck, Study Suggests LiveScience.com - Mon Nov 16, 12:02 PM ET

    Texting long messages can be a pain in the neck - literally.

  14. It's a Girl! Astronaut's Daughter Born While He's in Space SPACE.com - Sun Nov 22, 8:16 PM ET

    Talk about one proud papa. Astronaut Randy Bresnik beamed with joy Sunday after hearing news of the arrival of his new baby daughter, who was born on Earth while he orbited above on the International Space Station.

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