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Tiny planet extends the borders of our Solar System

A dwarf planet out beyond Pluto has been found orbiting our sun — and there may be another planet 10 times the size of Earth.

By March 26, 2014


PlanetSolar thinks big with solar boat

With what it calls the world's largest solar catamaran, unveiled Thursday in Germany, the PlanetSolar project plans a round-the-world tour in early 2011.

By February 25, 2010


PlanetSolar catamaran beckons sun and sea (photos)

The big solar-powered catamaran, toting 38,000 solar cells, is headed for a round-the-world tour starting in early 2011.

14 Images By February 25, 2010


Solar system with Earth-size planet found

Astronomers studying a star 127 light-years away have discovered an intriguing solar system with at least five Neptune-class planets and possibly two more, including an Earth-size world.

By August 25, 2010