For billions of years, a tiny moon has been slyly orbiting the ice giant – now the little lovely has a poetic name, as well as a surprisingly violent backstory.

To cap off a week of black hole fever, the cosmic object has now been named by a language professor in Hawaii.

Hubble's image of Messier 3 reveals what astronomers say is one of the prettiest "globular clusters" in the universe.

For the first time ever, NASA has recorded a likely marsquake – listen to the haunting tremor here.

More than just a typical aurora, researchers have now figured what powers this stunning lightshow and where it comes from.

Scientists think there is a hidden, protected ocean inside of Pluto – and the implications are wild.

The so-called 'transient lunar phenomena' has been stumping scientists for years – but an explanation may be in the works.

Morocco is making good on it's stated goals of increasing renewable energy development, leading towards 40% of electricity from renewables over the next decade.

The Grand Inga dam will be double the size of China's Three Gorges, but big questions remain about whether ordinary Africans will actually get its electricity.

The latest figures from the EIA show renewable energy sources overtaking nuclear power in the US, through the first nine months of 2011.

Fresh criticism from Georgian environmentalists adds to the diplomatic tensions created by Turkey's dam-building spree.

Hydroelectric power is an easy choice to make if you have access to a stream or river, but this concept takes advantage of the streams running through our walls: our plumbing.

Think you need to be an engineer and spend a bundle to create a mini-hydropower generator? Think again.

Emissions from tropical hydropower dams in Brazil are up to four times higher than often assumed, new research shows.

Using the flow of water inside the pipes to power the water network's own monitoring devices could eliminate the need for batteries in those systems.

A new type of hydrokinetic turbine sits within irrigation canals and could power several homes from the flow of water.

World hydroelectric power generation has risen steadily by an average 3 percent annually over the past four decades.

While grid-scale liquid metal batteries might be a more exciting technology, good old pumped hydro storage is one of the ways we can store power from intermittent sources (like solar & wind) or shift supply around (from the night to peak use).

A new study published by The Proceedings of the National Academy of Sciences serves as a great example of the interconnectedness of nature and how human activity can disrupt life-sustaining systems.

According to the International Energy Agency (IEA), by 2018 renewable should overtake natural gas to become the world's second-largest source of energy (oil is #1).

Just float the device in a river or stream and soon enough you'll have enough juice to charge a smartphone, GPS or other device.

A man named Manfred Mornhinweg found the modern world too "noisy and hectic", so he decided to build himself a house on a quiet 40 hectare piece of land in Chile.

A travel writer captures the beauty of Iceland's wilderness, but will these natural wonders exists for much longer?

A new technology developed by Korean researchers could generate electricity from the the motion of water in our toilets as well as rivers and streams, even rain drops.

For backpackers wanting something other than solar power.

A mix of wind, solar and hydro power could replace fossil fuels in every country in the world.

The project will take advantage of the sun, mountains and sea.

Lost in the woods near a stream, with some empty water bottles, wire, plastic plates, and a stepper motor, *and* you need to charge your smartphone? Try this.

Take one Estream and add moving water for clean, quiet, offgrid energy.

What to do when a church gets in the way of your water plans? Drown it.

Income for farmers, or fracked natural gas—will communities be allowed to decide?

The war on coal, it seems, may be ongoing, no matter who's in charge in Washington.

UK households can now buy 15 percent green gas and 100 percent green electricity with one easy tariff.

We used to be able to justify burning a bit of fossil gas, but we cannot anymore.

Oil and gas companies have until 2023 to make 'Paris compatible' plans, or face divestment.

It's part of a much bigger energy transition, and sounds a lot like wishful thinking.

This time it is for open offices, when you need a bit of peace and quiet.

This portable pavilion has a clever lightweight structure where the bookshelves hold up the roof.

When one tiny home isn't quite enough, how about adding another?

We are all cutting back in the West, but more flying in developing countries overwhelms the savings.

Current events could lead to another oil embargo by Saudi Arabia, and it could be 1973 all over again

That's what a lot of people are saying as new pollution rules for 2020 get closer.

Sure, we'll be using oil for a while. But where, exactly, is demand growth going to come from?

It's searching for a place to live because its home has been destroyed by our addiction to palm oil.

The timeline needs some work. But this is a start...

Drivers of traditional "ICE" cars often underestimate the convenience of going electric.

Petrochemicals are becoming increasingly important to the oil industry as cars go electric.

When the harvest has been poor, rates of adulteration rise.

And yet it still plans to sell more oil...

The kit includes an LED headlight and tail light and a rugged case that attaches a smartphone to the handlebars.