Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Sky-gazers Across North America is in for a treat on April 8, when a total solar eclipse will sweep across Mexico, the United States and Canada. The event will be visible to millions of people … Read more
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Sky-gazers Across North America is in for a treat on April 8, when a total solar eclipse will sweep across Mexico, the United States and Canada. The event will be visible to millions of people … Read more
It has come to this. With the Earth at its hottest point in history and humans still not doing nearly enough to stop its overheating, a small but growing number of astronomers and physicists are proposing a possible solution that could have jumped off the pages of science fiction: the equivalent of a gigantic parasol, … Read more
A group of Israeli scientists want to send a giant sail into space to block out some of the sun’s radiation. The shading in this artist’s rendering has been enhanced to illustrate the concept. (Technion Israel Institute of Technology and Asher Space Research Institute) It has come to this. With the Earth at its hottest … Read more
A group has been formed to study and promote a space-based solar shield to help ward off global climate change. The idea has been discussed for years, but the Planetary Sunshade Foundation is releasing documents that support the concept and highlight the practical feasibility of the approach. A planetary solar shield, the Foundation advises, could … Read more