Energy

Researchers are harnessing the power of sugar to fuel electronics.

Wearable generators can supply portable, clean energy for powering our mobile devices.

The monarch butterfly, once everywhere, is fading from view.

A tank takes about three minutes to fill and is good for about 300 miles.

With efficiency, energy costs can plummet.

A clever new idea could save renewable energy for when the wind is not blowing and the sun is not shining.

What will Mannhattan look like 400 years into the future?

Geologists in Iceland unexpectedly hit magma when they were drilling for a source of geothermal heat, and used the molten rock to generate super-hot steam to power a geothermal energy plant.

With severe winter storms, impact of alternative energy sources grows clearer.

London is going all in with sustainable energy. The world's largest solar-powered bridge — spanning the River Thames — was unveiled Wednesday (Jan. 22) in the British metropolis.

The furnace uses a lot of a home's energy — so why are they not getting more efficient?

By saving energy and cutting waste, Americans had an outstanding 2013.

Americans can be thankful for the nation's natural bounty, but assuming that bounty will last indefinitely is a trap.

State 'Green Banks' Helping Fund Clean-Energy Expansion (Op-Ed)

A newly funded U.S. project will use tethered kites underwater to tap ocean currents and tidal flows.

It's simple to slay energy vampires, saving you money throughout the year.

Fusion research is on track overseas, but the U.S. risks falling behind.