Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

New photos of Mercury's mysterious north pole reveal a glimpse of the permanently dark, frigid craters that may hold ice dozens of feet thick, even though Mercury is the closest planet to the sun.

The International Astronomical Union (IAU) recently approved a proposal from the MESSENGER Science Team to confer names on 16 impact craters on Mercury. The newly named craters were imaged during the ...

Close-up images from NASA’s MESSENGER spacecraft revealed that Mercury’s surface records impacts of almost unimaginable scale ...

The International Astronomical Union (IAU) — the arbiter of planetary and satellite nomenclature since its inception in 1919 — recently approved a proposal from the MESSENGER Science Team to assign ...

The BepiColombo spacecraft snapped a photo of the newly named Vivaldi crater as it sped by Mercury on Sept. 4, 2024. A robotic orbiter just took its first closeup pictures of Mercury's poles, passing ...

These pictures of Mercury’s pockmarked surface are the last we’ll see before the BepiColombo mission begins orbiting the solar system’s innermost world in late 2026. Since launching in 2018, the joint ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has ...

Ice, ice, baby — too cold, too cold. A recent spacecraft flyby over Mercury has experts believing that the planet closest to the sun has “frozen water” on its surface — and they’re excited to get a ...

ESA picked out a trio of top images from the BepiColombo mission's sixth flyby of the planet Mercury. Mercury is coming into better focus through the BepiColombo mission. The spacecraft flew by the ...

NASA is asking for the public's help, but there's a catch. Mercury's surface is seen in exaggerated color in this image provided by NASA. NASA/JHU APL/CIW — -- NASA is asking for the public's ...

A spacecraft has sent back some of the most detailed and breathtaking images of Mercury's north pole, shedding new light on the mysterious, shadowy regions of the small planet closest to the Sun. In ...