To explain these observations, they proposed a new kind of energy that is responsible for driving the universe’s accelerated expansion: dark energy. Astrophysicists now believe dark energy makes up ...

Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

The Chilean energy company AES Andes has announced plans to cancel its massive INNA project, a green energy plant that was poised to ruin some of the planet's darkest skies and observations at the ...