Boosting the efficiency of solar panels

A UConn researcher has developed a light-harvesting antenna that could double the efficiency of existing solar cell panels and make them cheaper to build.

Image: The colors of sunset over the ISS

ESA astronaut Samantha Cristoforetti took these images from the International Space Station during her six-month mission. The Progress cargo ship and Soyuz crew spacecraft reflect sunlight as our star sets behind Earth.

Video: Sunglasses on demand

Apart from their style, sunglasses have changed very little in the last few decades. Photochromic lenses that change from clear to tinted in sunlight were a big breakthrough.

Comet scientists take break after four straight days

The European Space Agency says that its scientists are taking a bit of a break after working for four days around the clock since the pioneering lander Philae touched down on a comet.

European probe plants thermometer on comet

Europe's Philae lander is doing well and has succeeded in planting a thermometer in the comet where it touched down this week, the European Space Agency said Friday.

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