Mercury

  • News_Image_686
    Data from the MESSENGER spacecraft's first six months in orbit is providing new information about the physical properties of Mercury. The results will help astrobiologists understand the diverse types of rocky planets that can exist in the Universe.
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  • Mercury is Not Like Other Planets
    Data from MESSENGER shows that Mercury has some important differences when compared to the other terrestrial planets of the Solar System.
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  • Extreme Space Weather Blasts Mercury’s Poles
    New data shows how the solar wind sandblasts the surface of Mercury at the planet's poles.
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  • Mercury’s Surprises
    Data from MESSENGER is providing clues about the origin of Mercury and its geological history.
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  • New Images of Mercury Just the Beginning
    NASA's MESSENGER spacecraft has returned 1500 images from orbit around Mercury. The instruments on MESSENGER are working, and the mission is now poised to help scientists understand the evolution of the small, rocky planet that lies closest to the Sun.
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  • MESSENGER Begins Historic Orbit around Mercury
    NASA's MESSENGER probe has become the first spacecraft to enter into orbit around the planet Mercury. Studying Mercury will help astrobiologists understand the nature of small, rocky planets and the conditions that lead to habitability on such worlds.
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  • Messenger to Enter Mercury Orbit
    NASA's MESSENGER spacecraft is preparing to become the first craft to enter orbit around Mercury. If the orbit insertion is successful, it will spend one year collecting data about our solar system's innermost planet.
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  • Mercury Rising
    On its final flyby of Mercury, NASA's Messenger spacecraft has captured images of never before seen regions of the planet. Messenger is providing new scientific findings about the closest planet to the sun, and teaching astrobiologists about how rocky planets form and evolve.
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  • Mercury In Sharper Focus
    NASA's Messenger spacecraft has returned fascinated observations from the tiny planet next to the sun, including the discovery of magnesium in Mercury's atmosphere. The data also shows that Mercury's geological past was much more active than scientists previously believed. The findings could help astrobiologists understand
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  • Mercury Lacks Iron
    New data from Mercury has revealed that volcanism played a larger role in the planet´s past than previously thought. Additionally, the surface of Mercury has been found to be very iron deficient.
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  • Mercury’s Iron Snow
    Scientific evidence suggests that iron 'snow' may form deep inside of Mercury. The movement of this iron snow could be responsible for Mercury's magnetic field. The finding has implications in our understanding of the nature and evolution of planets.
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  • Getting a Peek at Mercury
    NASA's MESSENGER spacecraft has made its first flyby of Mercury. The craft collected data that shows a diversity of geological processes on the planet, and provides a new look at the planet's magnetosphere.
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  • Spun Up for the Flyby
    NASA is about to view one of the last unexplored terrains in the inner Solar System when the MESSENGER spacecraft flies within 125 miles of Mercury´s surface. It has been over thirty years since the planet was visited by a spacecraft, and Mercury's composition still
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  • Molten Mercury
    Scientists using a high-precision planetary radar technique have discovered that Mercury probably has a molten core. The finding is an important step in understanding how planets form and evolve.
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  • Mercury Shower
    New computer simulations of Mercury's formation show the fate of material blasted out into space when a large proto-planet collided with a giant asteroid 4.5 billion years ago. The simulations, which track the material over several million years, shed light on why Mercury is denser
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