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  • Sled Dogs Carry Astrobiology to Dizzying Heights

    Sled Dogs Carry Astrobiology to Dizzying Heights

    March 3, 2008

    "Life on the Edge" advances to a mountain summit at 13,000 ft

  • Life on the Edge

    Life on the Edge

    Jan. 12, 2008

    A hands-on experiment for students to learn about life in extreme environments begins this week at 14,249 ft.

  • Liquid Mirror Telescopes on the Moon

    Oct. 9, 2008

    A team of internationally renowned astronomers and opticians may have found a way to make 'unbelievably large' telescopes on the Moon.

  • Old Solar Cycle Returns

    March 28, 2008

    Three months ago, a new solar cycle began. This week, however, the sun surprised onlookers with three big sunspots from the previous solar cycle. Strangely enough, this is perfectly normal.

  • The Case of the Missing Gamma-ray Bursts

    Oct. 22, 2008

    Gamma-ray Burstsare by far the brightest and most powerful explosions in the Universe, second only to the Big Bang itself. So it might seem a bit surprising that a group of them has gone missing.

  • NASA Plans to Visit the Sun

    June 10, 2008

    NASA has a daring new mission on the drawing board: Solar Probe Plus, a spacecraft tough enough to visit the sun itself.

  • Spring is Aurora Season

    March 20, 2008

    For reasons not fully understood by scientists, the weeks around the vernal equinox are prone to Northern Lights.

  • Who's Orbiting the Moon?

    Feb. 20, 2008

    Do you know who's orbiting the moon? The answer might surprise you. Find out in today's story from Science@NASA.

  • Solar Wind Rips Up Martian Atmosphere

    Nov. 21, 2008

    The solar wind appears to be ripping big chunks of air from the atmosphere of Mars. This could help solve a longstanding mystery about the Red Planet.

  • Giant Breach in Earth's Magnetic Field Discovered

    Dec. 16, 2008

    NASA's five THEMIS spacecraft have discovered a breach in Earth's magnetic field ten times larger than anything previously thought to exist. The size of the opening and the strange way it forms could overturn long-held ideas of space physics.