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John Johnson

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Top John Johnson Articles

Displaying items 13-24
  • NASA's moon crash is no spectacle, but could be a success

    NASA's moon crash is no spectacle, but could be a success
    As entertainment, NASA's moon punch mission was more "Heaven's Gate" than "Raiders of the Lost Ark." As science, however, it might still qualify for blockbuster status. Huddled in sleeping bags and tents, hundreds of people had gathered on a chilly Bay...
  • Awaiting a puff of moon dust

    Awaiting a puff of moon dust
    In the predawn hours Friday, while those on the West Coast still snooze, a rocket is scheduled to punch a 13-foot-deep hole in a crater at the moon's south pole that hasn't seen sunlight in billions of years. The purpose: to find out whether ice lies...
  • Fossils of North America's smallest dinosaur identified

    Fossils of North America's smallest dinosaur identified
    Scientists have identified the fossilized remains of the smallest dinosaur yet discovered in North America, a house-pet-sized creature that would have scurried between the legs of its larger relatives. The new species, Fruitadens haagarorum, weighed less...
  • NASA launches new mapping spacecraft

    NASA's newest mapping mission, designed to sniff out the dimmest residents of our neighborhood in space, launched successfully this morning from Vandenberg Air Force Base in California. The Delta II rocket carrying the Wide-Field Infrared Survey Explorer...
  • Masten Space Systems takes lead in Lunar Lander Challenge

    On Friday, only days after NASA tested its next big-ticket rocket, a ragtag group of space junkies in the Mojave Desert flew a bargain-basement rocket ship that could be the real future of spaceflight in the 21st century. -------------------- FOR THE...
  • 'The moon is alive,' NASA says after water discovery

    'The moon is alive,' NASA says after water discovery
    Scientists have found "significant" amounts of water in a crater at the moon's south pole, a major discovery that will dramatically revise the characterization of the moon as a dead world and likely make it a more attractive destination for future human...
  • The dark side of space about to be illuminated

    The dark side of space about to be illuminated
    One might think that after centuries of scanning the night skies, mankind would have a pretty clear idea of who our galactic neighbors are, and whether they mean us harm. That's not the case. Vast landscapes of the cosmos remain hidden to us because most...
  • NASA scientists find hydrogen in moon's sunlit regions

    NASA scientists find hydrogen in moon's sunlit regions
    NASA's lunar-mapping satellite has just begun its four-year mission searching for water on the moon, but it has already turned up a discovery that has scientists scratching their heads. The Lunar Reconnaissance Orbiter's seven scientific instruments have...
  • Phoenix lander's work on Mars is delayed by a radio glitch

    Phoenix lander's work on Mars is delayed by a radio glitch
    Prospecting near Mars' north pole was set back at least a day Tuesday when a communications link to NASA's Phoenix lander, nestled into a wide, undulating expanse nicknamed Green Valley, was interrupted by what spacecraft operators called a "transient...
  • No signs of water yet from Mars lander

    In its first chemical analysis of soil from Mars' northern plains, NASA's Phoenix lander has turned up no evidence of water, scientists said Monday. Still, researchers remained confident that the craft is in the right place to uncover veins of ice...
  • In search of Earth's twin

    In search of Earth's twin
    For the last 20 years, UC Berkeley astronomer Geoff Marcy has been the world's leading planet finder. Of the 260-odd planets that have been discovered in other solar systems, Marcy and his team have found 150. His most recent discovery, announced last...
  • Phoenix spacecraft lands on Mars

    Phoenix spacecraft lands on Mars
    The first spacecraft designed to taste the water of an alien planet landed safely on Mars' northern pole Sunday afternoon, beginning a three-month mission to determine whether the Red Planet ever did, or still might, support rudimentary forms of life....