1. Visit science.nasa.gov/ for more.

    With support from NASA, the EPA has developed an app to track algae that can threaten fresh water supplies.

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  2. Visit science.nasa.gov/ for more.

    Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.

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  3. Visit science.nasa.gov/ for more.

    As the Hubble Space Telescope celebrates its 25th anniversary, scientists are reflecting on the key role astronauts played in allowing the telescope to continue making great discoveries.

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  4. Visit science.nasa.gov/ for more.

    The common roundworm shares a surprising amount of genetic material with humans - enough, in fact, to make them the good substitutes for astronauts in low-gravity medical studies.

    More on Space Aging! nasa.gov/mission_pages/station/research/news/space_aging

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  5. Visit science.nasa.gov/ for more.

    On Earth, a fast runner takes a few hours to complete a marathon. On Mars, it's taken 11 years. NASA's Opportunity rover crossed that finish line in 2015.

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NASA ScienceCasts

Science@NASA Plus

ScienceCasts are short videos about fun, interesting, and unusual science topics encountered by NASA’s science missions.

For more, please visit science.nasa.gov/

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