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John Johnson

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Top John Johnson Articles

Displaying items 12-22
  • Mars may have caves, scientists say

    Mars may have caves, scientists say
    Caves were some of the earliest refuges for human beings on Earth. Could the same be true for future pioneers on Mars? Glen Cushing, a space scientist with the U.S. Geological Survey, thinks so. He said he has found evidence of an extensive cave system...
  • 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...
  • For Mars rover Spirit, it's do or die

    For Mars rover Spirit, it's do or die
    NASA scientists said Thursday that they had come up with a plan to free the stalled rover Spirit from its Martian sand trap but also warned that the plan might not work. If it doesn't, the popular robot could finally reach its end. Rover managers will...
  • '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...
  • Scientists zero in on reason for mammoths' demise

    Scientists zero in on reason for mammoths' demise
    About 15,000 years ago, North America was home to an astonishing number of large plant-eating mammals -- giant sloths, mastodons, mammoths. A thousand years later, they were all gone, wiped from the face of the Earth with sudden finality. Scientists have...
  • The universe's past, in close-up

    The universe's past, in close-up
    If there were a Guinness world record for making telescope mirrors, Dean Ketelsen would likely win it. Colleagues boast that the onetime Iowa farm boy has ground and polished more square footage of optics than any human being alive. "It used to be a...
  • Large Hadron Collider roars to life

    Large Hadron Collider roars to life
    The much-delayed, problem-plagued European Large Hadron Collider, the world's largest particle accelerator, is finally beginning to show off the technological muscle that is expected to produce some of the greatest scientific discoveries of the 21st...
  • Rutan and Branson make a giant leap for space tourism

    Rutan and Branson make a giant leap for space tourism
    On a wind-tossed desert night, the dream of space pioneers Richard Branson and Burt Rutan to bring space flight to everyone -- at least everyone who can afford it -- drew closer to reality when the pair unveiled the world's first commercial passenger...
  • 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 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...
  • Obama gives Ebony first dibs

     
    by Frank James So which magazine was the first to get a sit down interview and photo shoot with President-elect Barack Obama? Ebony Magazine, which was visited by the president-elect at its Chicago offices in the Michigan Ave. headquarters building......