Elon Musk unveils Tesla's new fully electric semi truck (oh, and a new Roadster)
November 17, 2017, 12:11 p.m. by Ben Bolton
The semi can travel 500 miles between charges.
Offshore wind farms could power all of human civilization
October 10, 2017, 5:03 p.m. by Bryan Nelson
New study calculates the amount of wind energy available over the oceans, and it's immense.
China launches world's largest floating solar farm
June 11, 2017, 5:02 p.m. by Bryan Nelson
You might be familiar with floating wind turbines, but what about floating solar panels?
The case for transforming Californian gridlock into a green energy source
April 24, 2017, 3:02 p.m. by Matt Hickman
The Golden State's congested freeways could be a boon for large-scale piezoelectric power generation.
Radioactive diamonds are turned into batteries that last for thousands of years
November 30, 2016, 9:30 a.m. by Bryan Nelson
They might sound a little pricey, but these might be the longest lasting batteries ever created.
Will Tesla solar roofing be cheaper than normal roofing?
November 23, 2016, 2:26 p.m. by Matt Hickman
It will indeed, claims newly minted PV shingle magnate Elon Musk.
Las Vegas gets quartet of pedestrian-powered streetlights
November 14, 2016, 2:57 p.m. by Matt Hickman
America's City of Lights takes one giant, innovative footstep forward.
First wave energy station in U.S. generates power in Hawaii
September 19, 2016, 6:44 p.m. by Bryan Nelson
Wave power has the potential to supply 25 percent of the nation's energy.
How a viable nuclear fusion reactor really could change the world
October 24, 2014, 11:01 p.m. by Bryan Nelson
Lockheed Martin recently claimed to have designed a fusion reactor that can fit on the back of a truck. If viable, it really could change the world. Here's how...
'Signing Day' recognizes high school seniors starting jobs, not college
One woman met a stray dog — and changed everything for a forgotten breed
What is laze?
10 countries where royalty still rules
12 plants that repel unwanted insects
Prehistoric shark with the head of a toothy snake found swimming off coast