Loan guarantees will help finance 400 megawatts of solar power.
What could that mean for attempts to grow solar manufacturing in the United States?
It promises to back loans for the first new nuclear reactors in decades.
A congressional committee considers whether to direct money to the new energy agency.
Costs could drop by as much as 30 percent with other improvements.
Tell us about young researchers and entrepreneurs who deserve our TR35 award.
The Obama administration announces $8 billion in awards for various corridor projects.
Some scientists think we may need to cool down the earth, but don't want to cause an international incident while testing the idea.
The world's largest laser system has uniformly compressed and superheated a fuel capsule.
The automaker provides further evidence of its intention to electrify vehicles.