Clay Dillow writes about science, technology and business for publications including CNBC.com, Fortune and Popular Science.
Elon Musk's venture is taking off as it snares major space contracts. Now rivals like UAL and Blue Origin are vying for the niche market.
If enormous heat deep in the heart of Iceland's volcanoes can be harnessed for geothermal energy, the industry may be set for a revolution.
Renewable energy should come of age in 25 years. On the horizon: harnessing solar power from space and nuclear fusion technology.
Innovators are blazing a trail for human travel to the moon, Mars and beyond. Up next: spaceplanes, inflatable space stations and colonies.
Investors are down on coal as institutions divest fossil fuel stocks and Obama gets tough on emissions. Maybe it's a good time to invest.
It's time to crank up the AC, but in this age of smart grids and smart meters, most utilities still have a frustratingly low technology IQ.