New results from NASA's Messenger spacecraft show that Mercury has an interior unlike that of the solar system's other rocky planets, as well as a surprisingly active past, scientists say.

Mercury is an odd little planet. The closest world to the Sun has some extreme surface structures, steep hills and cliffs, ...

Using data from NASA's MESSENGER spacecraft, scientists have determined that the solar system's tiniest planet, Mercury, ...

Now BepiColombo is heading back into the solar system before aiming to arrive in orbit around Mercury in November 2026. Then the spacecraft’s main camera will be unshielded and it will take ...

Mercury could have a thick underground layer of diamonds, scientists say. Some of the stones may have found their way to the surface, according to a recent study.

The Sumerians also knew of Mercury at least 5,000 years ago. It was often associated with Nabu, the god of writing, according to a site connected to NASA's MESSENGER (Mercury Surface, Space ...

Mercury has a very diverse surface, with some areas boasting young-looking terrain and others that are heavily cratered, but scientists couldn't explain why the planet's surface had such stark ...

The European Space Agency (ESA) is having to delay the arrival of its BepiColombo mission to Mercury after the twin probes suffered a glitch that prevented it from operating at full power.

Mercury could have a thick underground layer of diamonds, scientists say. Some of the stones may have found their way to the surface, according to a recent study.