A challenge encourages parents to get their kids outside for almost 3 hours a day.

A new study suggests the shape of an egg is determined by how much time a bird spends in flight.

Celebrate National Public Lands Day with a free visit to one of your favorite national parks or forests.

Many beloved matrimonial customs, from bridesmaids to the garter toss, got their start for some pretty disturbing reasons.

Baby will be the youngest person to see every state.

Being outdoors may create a better sense of connection between parents and young children, a new study finds.

A simple parenting technique helps Inuit children learn to control anger at an early age.

Indoor air pollutants are all around us, from radon and rodents to VOCs and NO2.

VOC emissions from shampoo, cleaners and paint impact air quality as much as vehicle emissions, according to a new study from NOAA.

The latest, largest study finds talcum powder likely causes little risk for ovarian cancer.

New study takes a closer look at the link between music and sports performance.

In these financially uncertain times, more and more 9-to-5 workers are rounding out their paychecks with cash from entrepreneurial ventures.

Capital One's new contract update raises the hackles of critics who question the company's right to contact customers by 'personal visit.'

Like any other aspect of running a business, the key to survival is preparation.

For rewards-seekers, the trick is to find the right card: one that best fits both your travel style and your spending habits.

Here's everything you need to know to get started in the world of legal marijuana — from investing to fundraising to finding a job.

Find out how this stand-up comedian, writer and entrepreneur found his dream job.

Lessons in business and management from the Medicis.

Ireland's national investment fund will sell all investments in coal, oil, gas and peat as soon as possible.

College textbook prices have outpaced the rate of inflation since the 70s, but here are some creative ways to find course materials for less.

Step aboard Jerko, an off-the-grid houseboat/urban sustainability laboratory that's been moored in one of America's filthiest waterways: Brooklyn's Gowanus Cana

Program offers national recognition for kids working to make their world a greener place.

The EPA unrolls WaterSense labeling for irrigation controllers, the first outdoor product eligible for certification in a program that previously focused only o

President Obama thanked the staff of the Environmental Protection Agency during a Tuesday afternoon speech.

Residents living near Brooklyn's Gowanus Canal rally against a planned residential development that they believe will lead to increased flooding risk.

Looking to make this holiday really special — without breaking the bank? Consider homemade gifts. Here are 10 ways to put a special glow into Christmas.

Imagine a smartphone for the visually impaired that has the tools most sighted smartphone users have come to take for granted

Ryan Nicodemus discusses how and why he and Joshua Fields Millburn left successful careers, ditched most of their stuff, and set up shop in a Montana cabin.

Jay Harman developed technologies from the Lily Impeller that he says may fundamentally change how humans do almost everything.

Viral videos and social media have catapulted the once-rejected Orabrush into a mainstream product — first for people and now for pets.

The nonprofit Gearing Up gives women in recovery a chance to get outside, build self-esteem and bond with one another.

The creator of Tabasco sauce is often credited with a proliferation of large rodents called nutria in the swamps of Louisiana.

Brown marmorated stink bugs are wreaking havoc — and just reeking — as they spread throughout the country.

Google's online street views could help scientists track and fight invasive species over the Internet.

The botanical monster-makers behind a new Kickstarter campaign aim to erect a towering hell-beast made from North America's most notorious invasive plant.

Unlike other roaches, this Asian cockroach — which has never been seen in the U.S. — can survive the cold and snow.

Invasive "crazy ants" have been displacing fire ants, and a curious defensive strategy may be behind the crazy ants' bold takeover.

No more escargot? An invasive worm known to have an insatiable appetite for snails is invading Europe.

A study found that an invasive species of camel cricket from Asia is now far more common in American basements than the native variety.

Giant African snails have invaded the Galapagos, but two rescued dogs are sniffing them out and helping researchers fix the ecology of the islands.

In the latest Python Challenge, researchers bagged over 2,000 pounds of the problematic snakes and discovered some of the species' secrets.

Following a 3-week stint, the very big bunnies will hop to other cities.

Conservationists are hoping for a Christmas (Island) miracle.

As climate change affects the world, invasive species are finding new, more hospitable places to call home.

Chuck Leavell recounts his most recent presidential run-in at the UN Climate Summit.

The famed Hubble Space Telescope has captured a jaw-dropping view of a comet making an incredibly close flyby of Mars.

Long a subject of speculation, our neighbor has yet to yield signs of life. But that hasn't kept people from imaging it's there.

A new 4-minute film casts digital humans in real extraterrestrial destinations, guided by the timeless words of Carl Sagan.

A giant crater on Mars may have been able to support microbial life for millions of years in the ancient past.

NASA's Curiosity rover is continuing to help scientists piece together the mystery of how Mars lost its surface water over the course of billions of years.