Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

Clean energy advocates, solar industry groups and state agencies say Xcel’s plan for virtual power plants doesn’t live up to ...

Astronomers have puzzled for years over a strange pattern in the outer solar system. A surprising number of icy bodies far beyond Neptune resemble snowmen, made of two rounded lobes stuck together.

"You need to speak to several contractors before making a final selection," said Michael Trahan, a solar energy expert.

Astronomers have long debated why so many icy objects in the outer solar system look like snowmen. Michigan State University ...

Investment and support could make small-scale space-based solar power (SBSP) viable, with potential for electricity generated in orbit to participate in UK contracts for difference (CfD) scheme ...

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

Imagine sprinting barefoot across a searing hot parking lot in midsummer. The ground blazes. The light dazzles and blinds ...

Imagine a shopkeeper in Hyderabad or a schoolteacher in Karachi who spends their life savings to install a few solar panels on their roof. They didn't do it to become energy tycoons or to bankrupt the ...

Experts say networked home batteries and smart devices could save New Yorkers $2.4 billion a year, but utilities have little incentive to make it happen.

Over the past two decades, China has transformed from a strategically weak energy power, dependent on imports of oil and gas, into the world leader in clean energy. Today, China produces the most wind ...

A European Union-backed investment is accelerating the rollout of renewable-powered telecommunications infrastructure in South Sudan, ...