Mercury TOP STORY

Researchers Trace Mercury's Origins to Rare Meteorite

© NASA

Mercury

Around 4.6 billion years ago, the universe was a chaos of collapsing gas and spinning debris.


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Stunning Video: Mercury Transits The Face of The Sun Video in Story

© NASA

Mercury transits the sun

Around 13 times per century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit.

Mercury

First Global Topographic Model of Mercury

First Global Topographic Model of Mercury

The MESSENGER mission has released the first global digital elevation model (DEM) of Mercury, revealing in stunning detail the topography across the entire innermost planet and paving the way for scientists to characterize fully the planet's geologic history.


Mercury

Watch Mercury Transit The Sun

Watch Mercury Transit The Sun Video in Story

NASA is inviting media and viewers around the world to see a relatively rare celestial event, with coverage of the Monday, May 9 transit of the sun by the planet Mercury.


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Mercury's Mysterious Darkness Revealed

Mercury's Mysterious Darkness Revealed

Scientists have long been puzzled about what makes Mercury's surface so dark.


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Mercury Gets a Meteoroid Shower From Comet Encke

Mercury Gets a Meteoroid Shower From Comet Encke

The planet Mercury is being pelted regularly by bits of dust from an ancient comet, a new study has concluded.


Mercury

BepiColombo Mercury Orbiter Preparations Continue

BepiColombo Mercury Orbiter Preparations Continue

Modules of the BepiColombo spacecraft, which will be on public view during the Sunday 4 October Open Day of ESA's ESTEC technical centre in the Netherlands.


Mercury

MESSENGER Finds Evidence of Ancient Magnetic Field on Mercury

MESSENGER Finds Evidence of Ancient Magnetic Field on Mercury

About 4 billion years ago, Mercury's magnetic field could have been much stronger than today, as indicated by low-altitude observations made by NASA's MESSENGER spacecraft that revealed evidence of magnetization of ancient crustal rocks on Mercury.


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MESSENGER Impact Region on Mercury

MESSENGER Impact Region on Mercury

This region of Mercury's surface has a new crater!


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Mercury Crater-Naming Contest Winners Announced

Mercury Crater-Naming Contest Winners Announced

The MESSENGER Education and Public Outreach (EPO) Team, coordinated through the Carnegie Institution for Science, has announced the winners from its competition to name five impact craters on Mercury after artists.


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Unmasking the Secrets of Mercury

Unmasking the Secrets of Mercury

The Mercury Atmosphere and Surface Composition Spectrometer (MASCS) instrument aboard NASA's MESSENGER spacecraft was designed to study both the exosphere and surface of the planet Mercury.


Mercury

MESSENGER Achieves Unprecedented Success Studying Mercury

MESSENGER Achieves Unprecedented Success Studying Mercury

After extraordinary science findings and technological innovations, a NASA spacecraft launched in 2004 to study Mercury will impact the planet's surface, most likely on April 30, after it runs out of propellant.


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MESSENGER's Operations at Mercury Extended

MESSENGER's Operations at Mercury Extended

MESSENGER mission controllers conducted a maneuver yesterday to raise the spacecraft's minimum altitude sufficiently to extend orbital operations and further delay the probe's inevitable impact onto Mercury's surface.


Mercury

Comet Dust: Planet Mercury's Invisible Paint

Comet Dust: Planet Mercury's Invisible Paint

A team of scientists has a new explanation for the planet Mercury's dark, barely reflective surface.


Mercury

New Surface Composition Maps Illuminate Mercury's History

New Surface Composition Maps Illuminate Mercury's History

Two new papers from members of the MESSENGER Science Team provide global-scale maps of Mercury's surface chemistry that reveal previously unrecognized geochemical terranes large regions that have compositions distinct from their surroundings.


Mercury

Caloris Basin on Mercury As Seen From Orbit

Caloris Basin on Mercury As Seen From Orbit

This mosaic of Caloris basin is an enhanced-color composite overlain on a monochrome mosaic.


Mercury

Last Chance: Mercury Crater-Naming Contest Ends January 15

Last Chance: Mercury Crater-Naming Contest Ends January 15

The MESSENGER Education and Public Outreach (EPO) Team is reminding interested parties that the competition to name five impact craters on Mercury closes on January 15, 2015. The contest, open to everyone except members of the mission's EPO team, was launched on December 15, 2014.



More top stories from July.