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A futuristic-looking 11MW solar tower has been completed near Seville, Spain as part of a 300MW solar power project.

Think of solar arrays and you'll probably picture panels under blistering desert heat - but we may be able to get more energy from solar panels on snow-capped mountains. Kotaro Kawajiri at the Massachusetts Institute of Technology mapped solar irradiance across the globe in collaboration with colleagues in Japan.

The eerily lethargic sun shows no signs of perking up, solar physicists say. The sun may wallow in inactivity for the next decade - or longer, which could affect Earth's climate as well as the health of orbiting satellites.

The vast solar and windfarm project across North Africa and the Middle East may provide 15% of Europe's electricity by 2050

Enjoy our stormy sun while it lasts. When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.

The Solar Radiation Management Governance Initiative says geoengineering could be 'plan B' for climate change More research on the risks and governance of geoengineering the planet's climate by reflecting sunlight into space is needed, a grouping of science bodies and a green NGO have said, as the end of the first week of UN climate talks nears.

The sun is moving through the Milky Way slower than previously thought, according to new data from a NASA spacecraft. From its orbit around Earth, the Interstellar Boundary Explorer (IBEX) satellite measured the speeds of interstellar particles entering at the fringes of our solar system, 9 billion miles (14.5 billion kilometers) from the sun.

Over the last few years, the politics of climate change have been amply forged in the fires of a changeable Sun.

June 21 marked both the summer and winter solstice, the longest or shortest day of the year for sunlight depending on which hemisphere you reside. Here are some glimpses of the power, beauty, and transforming presence of the sun, taken since the beginning of June