Evidence for active hollows formation on Mercury

A recent image acquired by NASA's MESSENGER spacecraft shows the interior of Eminescu, a youngish 130-km (80 mile) wide crater just north of Mercury's equator. Eminescu made science headlines last year with MESSENGER's discovery ...

Mercury's movements give scientists peek inside the planet

The first measurements of Mercury's movements from a spacecraft orbiting the planet reveal new insights about the makeup of the solar system's innermost world and its interactions with other planetary bodies.

Comet dust—planet Mercury's 'invisible paint'

A team of scientists has a new explanation for the planet Mercury's dark, barely reflective surface. In a paper published in Nature Geoscience, the researchers suggest that a steady dusting of carbon from passing comets has ...

Explosive volcanoes light up Mercury's deep past

Mercury has long been a mystery to scientists. Until recently, knowledge of the planet was limited to the grey, patchy landscape revealed by the Mariner 10 probe, NASA's first mission to Mercury in the mid-1970s.

Fantastic Voyage

By travelling to the outer solar system, the two Voyager spacecraft allowed us to see amazing details of far-distant planets and moons.

Sunset Planet Alert

The solar system's innermost planets are about to put on a beautiful show.

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