By 2050, over 5 billion people — probably more than half the planet’s population — will be exposed to at least a month of health-threatening extreme heat when outdoors in the sun ...

On a much larger scale, solar-thermal power plants employ various techniques to concentrate the sun's energy as a heat source. The heat is then used to boil water to drive a steam turbine that ...

NASA's Parker Solar Probe has beamed home its first detailed update eight days after making a record-breaking approach to the sun, the agency ... "From the heat shield to the solar array cooling ...