Need help paying attention? Cue up the cute baby animals.

With news that Southwest is allowing mini horses on flights, here's what to know about these petite equine wonders.

Did you know that cheetahs sound a lot like your housecat?

It does a lot more than just get you from floor to floor, in this interesting Korean courtyard house.

Perhaps lofts are not the best solution for tiny homes and apartments.

A health insurer practices what it preaches.

Want to get quickly into the tree canopy? This modular set of stairs can be quickly and easily wrapped around any tree, without doing damage to the trunk.

Yet another reason to skip the escalator/elevator and hoof it instead.

Sweden shows how to build comfortable apartments for families, and stairs that people want to use.

Michael Janzen comes up with an interesting and elegant design. But is it safe?

It seems that these days you can build just about anything with a CNC machine.

Neri&Hu turn climbing the stairs into an experience for Bloomberg in Hong Kong.

A good, if not very accurate, idea.

Why go diagonally when you can go straight up?

There's more than one way to go up in a small space, and this is one smart alternative.

When the splendid full moon rises this weekend, she’ll look a bit bigger and brighter than usual.

This month's Full Buck blood moon will star in the longest total lunar eclipse of the century.

Nicknamed 'Farout' by the team that discovered it, the celestial object is some 11,160,000,000 miles away.

Our blue-green Earth might have actually been a different color, thanks to this molecule.

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.

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.

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.

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

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?

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?

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

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

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.

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?

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