Solar is the only scalable way to slow down the climate crisis — and it will free us from the power of billionaires too.

At this year's symposium, ESA celebrated 50 years of space science and cooperation. But behind the celebration was a warning: ...

Geothermal plants work by drilling into the earth to reach underground water or vapor that is up to 700 degrees Fahrenheit. The hot liquid or steam is piped topside to power a turbine, according to ...

More than 170 countries have gathered to save critical ecosystems. But the U.S. is a no-show and Russia said it will withdraw ...