Flying over Pennsylvania, the small airplane wirelessly beamed power down to receivers on the ground. The flight test marked ...

What would happen when the Sun releases a burst of energy at the Earth and thousands and thousands of satellites are in the ...

In general, solar PV deposited on glass is significantly more efficient than thin film, but this is the price you pay for off-world deployments. Paul Warley, CEO of Colorado-based Ascent Solar, told ...

This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

Space-based solar power advances with microwave and laser transmission, orbital assembly, and cost reductions, aiming for ...

Solar power has become an important part of our civilization, especially in recent years, and it is presently crucial to our existence. Solar panel farms spread far and wide across the planet, on ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is what a recent study accepted for publication in The Astronomical Journal ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

A new "Tatooine-like" planet outside the solar system may orbit two failed stars, scientists reported Wednesday.Related video above: The dark energy pushing our universe apart may not be what it seems ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...