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Artist concept of space weather showing an active Sun with flares and a CME in the upper right, the Earth in the lower right with types of technology affected by space weather to the lower left; satellites, airplanes, the ISS and ground-based electrical lines.
Heliophysics

Studying the Sun-Earth connection.

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Cape Verde in approximate true color
Mars

Latest from NASA's spacecraft exploring the red planet.

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On the Final Frontier
Cassini at Saturn

Unlocking the secrets of the ringed giant and its moons

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Comet Tempel 1 Nucleus Shape Model
Science Mission Directorate

NASA uses orbiting observers and robotic landers to investigate the planets, moons, comets, and asteroids of our Solar System.

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Latest Features

NASA’s Solar Dynamics Observatory captured this image of a solar flare on the right side of the sun on May 22, 2013.

NASA's SDO Observes Mid-level Solar Flare

The sun emitted a mid-level solar flare, an M7 class, on the morning of May 22, 2013.

Ligeia Mare is the second largest known body of liquid on Saturn's moon Titan

Forecast for Titan: Wild Weather Could Be Ahead

Two new models with implications for NASA's Cassini mission suggest the onset of spring in Titan's northern hemisphere could bring waves and ...

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One of 20 balloon launches from Antarctica for the BARREL mission.

NASA’s BARREL Mission Launches 20 Balloons

In Antarctica in January, 2013 scientists released 20 balloons, to study the giant radiation belts surrounding Earth and how they lose particles, ...

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More Features

  • Aurora as seen in Marquette, Michigan on May 18, 2013.

    Auroras Visible in Continental U.S.

    05.20.13 - Coronal mass ejections that accompanied X-class flares early last week, arrived at Earth over the weekend and sparked a geomagnetic storm and aurora.

  • 'Cumberland' target drilled by Curiosity

    NASA Mars Rover Curiosity Drills Second Rock Target

    05.20.13 - NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland."

  • Screen capture from IRIS mission trailer video showing an active solar surface.

    IRIS Mission Readies For a New Challenge

    05.20.13 - NASA is getting ready to launch a new mission to observe a mysterious region of the solar atmosphere that may be crucial to understanding what powers space weather.

  • A combined view from two NASA satellites of the coronal mass ejection that occurred on May 17, 2013, at 5:36 EDT.

    NASA’s STEREO Detects a CME From the Sun

    05.17.13 - On 5:24 a.m. EDT on May 17, 2013, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of solar particles into space.

  • Rock target 'Esperance' altered by wet history (False Color)

    Mars Rover Opportunity Examines Clay Clues in Rock

    05.17.13 - NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.

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