In countries where large families are the norm, the urge to conform pushes people to have more children than they can economically support.

As Africa's population continues to rise, a new statistical analysis estimates the population to be 800 million more people than previously calculated.

Many of the well-preserved fossils show the internal organs of several different arthropods.

Portland authorities faced a tough decision this week: Drain a reservoir or provide residents with tap water that a teen peed into?

Instead of food waste heading to the landfill, now it will be repurposed, donated, or turned into compost, animal feed, or clean energy.

Why people are protesting the Dakota Access Pipeline.

Researchers in Costa Rica are studying the vocalizations of Alston's singing mice to learn more about human speech.

Tesla is losing money, but its IPO is likely to succeed because it's the sexiest automaker on the planet, and everybody wants some of the fairy dust.

'Dippin’ in my Tesla' not likely to get radio playtime, but it won't make your ears bleed either.

Cash raised will benefit efforts to monitor the ongoing humanitarian crisis in the Sudan.

New network will enable coast-to-coast electric rides and 20-minute charges. CEO Elon Musk is ramping up the timetable.

Make its debut at the Ideal Home Show in London, the Quiet Treehouse includes an array of features that drown out modern life's most irritating noises.

A new scheme gives London's iconic-yet-disused phone booths a 21st century makeover as solar-powered gadget charging stations.

If there ever were a super-tall public sculpture begging for a tunnel slide ....

John Pawson's Life House beckons frazzled renters with a 'zone of extreme calm.'

Likened to a cathedral, the ornate Crossness Pumping Station reopens for public tours following extensive rehabbing.

The rural Cheshire community has slashed emissions by nearly a quarter over the past decade.

Manchester's City of Trees scheme will plant one leafy specimen for every resident.

There are currently 15 national parks spread across England, Scotland and Wales. A new review might usher in the creation of even more.

Environmental group 10:10 Climate Action sees untapped potential in waste heat extracted from waterways buried beneath the British capital.

Here are some off-the-beaten-path cruise destinations and the companies that can take you on the sailing adventure of a lifetime.

BigPicture photo contest winners celebrate diversity of life while inspiring conservation.

All of the ingredients for this monochromatic side dish are in season in most regions right now, and they combine to make a quick and healthy side dish.

Ariyele Ressler features simple, nourishing recipes in her YouTube cooking channel.

Artichokes have so much more potential than you might suspect.

Broccoli is one of those miracle veggies we should eat every day. Here are smart, simple recipes to help you accomplish that goal.

Chia seeds are touted for their fantastic health benefits. And thankfully there's a way to get them into just about every meal.

It's time to quit multitasking. Plug in and sharpen your attention with these four meditative programs.

Deb Berlin is determined to soothe frayed nerves in Washington, D.C., through yoga, a practice she picked up in her teens.

In a new study, participants who paid attention to their physical and mental feelings showed small but meaningful reductions in anxiety, depression and pain.

Breast cancer survivors who practiced yoga for as little as 3 months reported significant improvement in several areas.

Business magnate shares the benefits and practice of daily meditation in his new book 'Success Through Stillness.'

Meditation sessions to promote self awareness may have an enduring effect on curbing substance abuse.

By learning about the many different types, you can get the benefits of meditation in a way that works for you.

Modern exercise tends to put health before stealth, but both are necessary for anyone who wants to become a ninja.

New scientific evidence backs up the benefits of mindfulness meditation.

Researchers find biological confirmation that yoga and meditation have a positive effect on mental health. Plus: 4 yoga moves that will reduce stress.

Meditation still works even if you can't completely clear your mind of distractions. Just keep gently pushing those thoughts away.

A Canadian report on the environmental and health risks of the Alberta tar sands has a little something for everybody.

Environmental groups sue State Department about contact that Clinton and a pipeline lobbyist (and former aid) may have had.

Amid accusations of bias and corruption, the agency's inspector general will investigate its review of the proposed oil-sands pipeline from Canada.

Actor and environmentalist says President stood up to Big Oil by delaying project and calling for more environmental reviews.

With the 1,700-mile oil pipeline now likely on hold until 2013, here's a roundup of reactions from 10 people closely involved in the debate.

The Obama administration's move won't necessarily kill the controversial oil pipeline, but it has still drawn strong reactions from both sides of the debate.

According to the GOP's favorite media mouthpiece, the Keystone XL pipeline would have created thousands, no- tens of thousands, no- hundreds of thousands, wait-

Senators tried (again) to sneak a last-minute approval for the controversial Keystone XL pipeline into a new transportation bill. But a record-setting 500,000 s

From Michigan to Arkansas, a series of recent oil spills have raised doubts about the proposed Keystone XL oil pipeline.

Cape Wind won decisive approval triggering a potential green energy gold rush. But the opposition -- which mainly just doesn't want to look at wind turbines --

Augsburg College is now the largest purchaser of wind energy from Xcel's Wind Source, the biggest provider in the U.S.

Two proposed energy projects (each with a $7 billion price tag) present two very different directions for America's future. Which would you choose?