Earth's first nearly full look at Mercury reveals that the tiny lifeless planet took a far greater role in shaping itself than was thought, with volcanoes spewing "mysterious dark blue material ...

A NASA spacecraft's first flyby of Mercury has yielded a wealth of information about the innermost planet, some of which confirms that volcanism occurred there, settling a longstanding debate.

Mercury is looking good for its age. Even the oldest parts of the surface of the planet closest to the sun are only 4 billion to 4.1 billion years old, not 4.5 billion years old — the age at ...

WASHINGTON (AP) - Earth's first nearly full look at Mercury reveals the tiny lifeless planet took a far greater role in shaping itself than was thought, with volcanoes spewing "mysterious dark ...

WASHINGTON — Earth’s first nearly full look at Mercury reveals that the tiny lifeless planet took a far greater role in shaping itself than was thought, with volcanoes spewing “mysterious ...

Olympus Mons, a treble Everest soaring above Mars' Northern Hemisphere, is the largest volcano in the solar system; Since Mariner 10 first revealed its surface in the 1970s, conspicuously smooth ...

The finding is in stark contrast with volcanic activity on other terrestrial planets where the phenomenon is more recent, or in the case ... Mercury’s Volcanoes Went Silent 3.5 Billion Years ...

Volcanoes also spew out mercury. ... just needs some kind of extraordinary natural event to happen and it could upset the entire balance, as it were, of the planet’s surface systems. ...

Our Solar System is home to eight extraordinary planets, each with its own unique features, mysteries, and beauty. This cosmic journey takes you from the Sun-scorched surface of Mercury to the icy ...

MESSENGER (short for MErcury Surface, Space ENvironment, GEochemistry, and Ranging) made its debut flyby of Mercury on Jan. 14, passing about 124 miles (200 kilometers) over the planet's surface.

When MESSENGER performed its first flyby of Mercury in early 2008, it sent back a hazy image of a feature, from somewhere in the planet's Northern hemisphere, showing what its discoverers called a ...