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Heliophysics - Sun Topics

  • Water Molecules Found on the Moon

    2009April 6, 2011

    Using instruments on three separate spacecraft, scientists have discovered water molecules in the polar regions of the Moon.

  • Apollo Landing Sites Photographed

    2009April 6, 2011

    NASA's Lunar Reconnaissance Orbiter has returned its first imagery of Apollo landing sites. The pictures show lunar module descent stages, scientific instruments and even 40-year-old foot trails made by Astronautswalking across the dusty lunar surface.

  • Eerie Red Glow Traces Ocean Plant Health

    2009April 6, 2011

    NASA's Aqua satellite has detected a red glow coming from phytoplankton in Earth's oceans. This unique signal allows researchers to monitor the health of ocean plants in a new and telling way.

  • LCROSS Viewer's Guide

    2009April 6, 2011

    On Friday morning, Oct. 9th, you can watch a pair of spacecraft crash into The Moonwith your own eyes. The purposeful impacts are the climax of NASA's LCROSS mission to unearth signs of water in lunar soil. Today's story tells how and where to look.

  • Mystery of the Missing Sunspots, Solved?

    2009April 6, 2011

    Where have all the sunspots gone? Scientists studying a jet stream deep inside the sun may have found the answer.

  • LCROSS Finds Water on the Moon

    2009April 6, 2011

    The argument that The Moonis a dry, desolate place no longer holds water. At a press conference today, researchers revealed data from NASA's LCROSS mission indicating that water exists in a permanently shadowed lunar crater.

  • Arctic Ice Revealed

    2000April 6, 2011

    An orbiting radar has cut through clouds and dark of night to monitor the ebb and flow of Arctic ice. The Arctic is the smallest of the world's four oceans, but it may play an important role in helping scientists monitor Earth's climate shifts.

  • Folding a Lincoln into a Volkswagen

    2000April 6, 2011

    On the heels of NASA's 7th annual Great Moonbuggy Race, engineers from the Apollo program discuss the challenges of building the original Lunar Rover. This story includes RealVideo of one of the original rovers in action on the Moon.

  • EO-1: It's not just a good idea, it's the law!

    2000April 6, 2011

    NASA's Earth Observing-1 satellite blasted off last week with a payload of new instruments that could revolutionize remote sensing. The work of the new satellite is regarded as so important it's actually required by law.

  • Record-setting Ozone Hole

    2000April 6, 2011

    Antarctica's ozone hole now covers an area three times larger than the entire land mass of the United States - the largest such ozone-depleted region ever observed. Early spring conditions in the southern hemisphere and an unusually intense Antarctic vortex are contributing to the growth of the hole.