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Signs of water detected in exoplanet’s debris

The remains of a water-rich rocky exoplanet have been discovered outside our solar system orbiting a white dwarf star 170 light years away.

Comet-chasing mission Rosetta: 100 days to wake-up

Rosetta will wake up soon from deep-space hibernation to reach the comet it has been cruising towards for a decade.

Video: Thermal images of lava spewing from an erupting volcano

A thermal camera standing 250 meters away from an active volcanic vent captured this video of molten lava spewing from Italy's Stromboli volcano.

New device harnesses sun and sewage to produce hydrogen fuel

A novel device that uses only sunlight and wastewater to produce hydrogen gas could provide a sustainable energy source.

Elephants know what it means to point, no training needed

Elephants understand humans in a way most other animals don’t, according to the latest research from the University of St Andrews.

Will Comet ISON survive its brush with the sun?

The comet might disintegrate outright, or break-up in the days or weeks after its close brush with the sun. Or it might survive intact, to pass Earth again someday.

A lonely planet without a star

An international team of astronomers has discovered an exotic young planet that is not orbiting a star.

Comet ISON details emerge as it races toward the sun

Scientists are unraveling more information on Comet C/2012 S1 (ISON) as it continues on its journey toward the sun.

Jupiter and Saturn are awash in diamonds, say scientists

Some of the diamonds floating around inside of Saturn may be so large that they could perhaps be called "diamondbergs."

Planets skimming a star’s surface

If confirmed, these planetary candidates would be among the closest planets to their stars discovered so far.

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