You can get this mineral from many foods, but are you getting what you need? Here are some magnesium deficiency symptoms.

Beautiful photos show the desert in Yucca Valley, California, and Joshua Tree National Park covered in snow.

Photo of hungry sharks wins Underwater Photographer of the Year contest, which also selected winners in more than a dozen categories.

Photographer Oliver Hellowell believes anyone can accomplish their dreams — even if they have Down syndrome.

Dozens of massive president heads sit in a field in Virginia, waiting for a new home in a museum.

No one gets more excited about iceberg season than camera-toting Canadian Mark Gray.

Science Photographer of the Year contest highlights how photos can open a window to science.

As polar bears struggle to survive in the fast-changing Arctic, MNN presents a tribute to the animals' legendary power, precocity and perseverance.

The U.S.-backed proposal was opposed by Canada, which is home to two-thirds of the world's polar bears.

The cuddly duo — a boy and a girl born at the Hellabrunn Zoo on Dec. 9 — explore their enclosure with their mom, Giovanna.

This real-time aurora video may not seem amazing at first, but that quickly changes at the 1:52 mark.

Video: A Florida marine ecologist narrows down the spread of the first lobster virus.

Find out what wood ducks are revealing about threats to our fine feathered friends.

Video: Below the surface, thousands of marine creatures are still in danger from the Gulf oil disaster.

From video games to cell phone apps, people are making sign language easier to learn.

Video: Getting enough shut-eye really matters for children, and those who are poor need it the most.

Find out when it's best to shell out your cash in exchange for tickets.

Video: Virtual reality immerses students in proteins and peptides.

Mother Nature Network's 'Ask Vanessa' offers unsolicited advice on the environment for the president.

These well-educated believers have positive views of science but selectively reject certain theories that conflict with their religious beliefs.

A Chinese statue of a Buddha has revealed a hidden surprise: The mummified remains of a monk who lived nearly 1,000 years ago.

How have Easter's ancient paganist roots manifested in this modern Christian celebration?

Deists do not believe in miracles, divinely inspired writings, or messengers from above. So what do they believe?

The pontiff's sweeping new encyclical is meant not just for Earth's 1.2 billion Catholics, but for 'every person living on this planet.'

Experts are divided on the power of spirituality and an upbeat mindset.

Fancy a new townhouse on Cupidity Drive?

Reconnect with the wild in these magic Celtic gardens.

The spells are written in a mysterious language, but a few names of demons could be deciphered.

A new study on religious leanings and death anxiety reveals some surprising findings.

Modern-day Lebanese are descendants of the Canaanites, proving that they weren't wiped out by the Israelites after all.

Archaeologists conducting digital surveys below the surface of St. Nicholas Church have discovered an untouched temple.

Should we care that Obama's Presidential Limo will get single digit miles per gallon?

A consensus is emerging in support of a price floor for gasoline, but getting it through Congress may be difficult. And will Obama expend capital on the idea?

So many people have pinned this easy cleaning tip on Pinterest and shared it on Facebook, it has to work, right?

Bees make it and we get to enjoy it. But honey is good for more than just sweetening recipes, here are 10 ways to use honey.

From soothing sore throats and upset stomachs to fighting hiccups and diabetes, the health benefits of apple cider vinegar go beyond fold remedies.

How to pollen-proof your life with these 20 tips for seasonal allergy sufferers.

Trying to get rid of those dark circles and bags under your eyes? Look in your kitchen for easy remedies

With their weird behavior and extra-large size, home infestation of spider crickets is a decidedly unpleasant experience.

The Indian long pepper's use in traditional medicine dates back thousands of years.

The Nissan Leaf will be produced in Tennessee, in America's largest auto plant under one roof. Take a tour with me on the electric tram.

Phil Lebeau has a hands-on look at Nissan's highly anticipated all-electric vehicle, the "Leaf."

The lucky few have gotten their Nissan Leafs, but the company has scaled back its 2011 U.S. deliveries from 20,000 to 10,000, and dampened expectations about a

Jim Motavalli shares his insights about electric vehicles in his new book, High Voltage: The Fast Track to Plug in the Auto Industry.

If EV advocates won't step up to the plate, who will? I admit I don't own one yet, and many other green writers are in the same boat. Read on, and see who's a m

An accident in Montana is the latest in a long and troubled line of pipeline incidents in America.

5 reasons to buy organic, despite the Stanford study. A new study finds that organic food is not nutritionally superior. So is it worth the higher price? I say

Agritourism is one of the fastest growing sectors in the eco-tourism industry. Visitors can relax in a beautiful setting and even gain a deeper understanding of

A 30-week Urban Farm School program begins on April 1 at the Ashevillage Institute and Sanctuary in North Carolina.

If you think your yard has too much shade to grow vegetables, there may be hope.