Research suggests harnessing ocean wind could power the entire globe - but it comes with some major obstacles.
The U.S. International Trade Commission ruled cheap imports are harming local solar manufacturing companies. The president will decide the next move.
The technology needed for a future with more sustainable energy is expensive and complex.
Only 3 percent of scientists doubt mankind's effect on our warming planet. This is their perspective.
When an eclipse blocks out the sun, it affects the weather — and causes hiccups in an increasingly solar-dependent power grid.
President Donald Trump's proposed budget aims to eliminate some of the agency's fundamental research programs.
European countries are breaking renewable energy records, but experts are worried countries didn't use proper planning for where they built turbines.
Critics are worried about jobs, but advocates say plan to join the U.S. Climate alliance is good for the state.
Tesla CEO Elon Musk promised to help solve South Australia's blackout problem in March. Now, it looks like his company is delivering.
The most efficient turbines are the largest ones, so scientists are designing an offshore wind turbine that's the largest ever.
Exxon, BP and Shell announced support for rolling back Obama-era regulations in favor of a new tax.
For the first time ever, wind and solar power generated 10 percent of U.S. energy for a single month.