Mercury is a mysterious world. As the closest planet to the sun, it’s a hard-to-reach destination for space missions. So far, only two have made it to Mercury—NASA’s Mariner 10 and MESSENGER ...

NASA's MESSENGER mission has revealed that Mercury, the solar system's tiniest planet and the closest to the sun, hides a big secret. When you purchase through links on our site, we may earn an ...

"We calculate that, given the new estimate of the pressure at the mantle-core boundary, and knowing that Mercury is a carbon-rich planet, the carbon-bearing mineral that would form at the interface ...

Look to the east slightly ahead of dawn on Sept. 2 to catch a fleeting glimpse of fleet-footed Mercury alongside the bright star Regulus, before it becomes lost in the light of the rising sun. Want to ...

Despite being relatively nearby, very few space probes have visited the solar system's innermost planet. Any spacecraft aiming to study Mercury must accelerate to incredible speeds, and that can take ...

Artist’s impression of the BepiColombo spacecraft in cruise configuration, flying past Earth and with the Sun in the background. ESA/ATG medialab The European Space Agency’s BepiColombo spacecraft ...

The meteorites could open up a new avenue to understand Mercury, pictured, which is notoriously hard to study due to its proximity to the sun. NASA / Johns Hopkins University Applied Physics ...