If it’s real, some may question whether something with a mass about three times Pluto’s counts as a planet at all.

Flying 295 km above Mercury, it photographed icy craters, volcanic plains, and the planet's largest impact crater. Mercury reflects two-thirds less light than Earth's Moon, making its surface appear ...

Flying just 183 miles (295 kilometers) above Mercury's surface on Jan. 8, 2025, the spacecraft — which was built in the U.K. — imaged craters on the planet's vast sunlit northern plains.

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

This marks the sixth mission of the BepiColombo probe in Mercury's orbit, bringing it to within just 183 miles of the most minor planet in the Solar System. The close views of the icy craters are ...

water ice hiding in shadowed craters, and an off-center magnetic field in the planet. There’s still a lot about this curious world that scientists have yet to figure out. Why is Mercury so ...

above Mercury's night side before passing directly over the planet's north pole. The European Space Agency released the stunning snapshots Thursday, showing the permanently shadowed craters at the ...

The European Space Agency released the stunning snapshots Thursday, showing the permanently shadowed craters at the top of our solar system's smallest, innermost planet.Cameras also captured views of ...