Drain flies, also known as sink moths or sewer flies, can be a huge nuisance. Here's how to get rid of drain flies naturally and without chemicals.

Here’s a look at the psychology behind hoarding, how it differs from collecting and ordinary clutter, and how to keep untidiness to a minimum.

Non-chemical ways to make your sink and tub smell fresh.

Fracking fluid, the liquid waste left over from the controversial mining technique, wreaks havoc on a plot of land in a test by the U.S. Forest Service.

A crowd of farmers, environmentalists and community members gather at a May Day rally in Sydney to call for tougher mining restrictions to protect sensitive lan

Our houses are way more efficient than they used to be, but we're using more energy per capita than we ever have.

Months ahead of the UN Climate Change Conference, French Parliament approves aggressive new commercial building rules.

There is lead in water systems all over North America, but don't hit the bottle yet.

Advanced refrigeration system, nearly a mile long, is meant to keep contaminated water from the damaged nuclear plant from escaping into the sea.

"Ain't No Fish" is a stop-motion animated short film that uses a 1940s show tune to highlight ocean pollution.

A cave in Slovenia has two new baby olms — ghostly 'dragons' that can live for 100 years but rarely reproduce.

Paddlers Paul Twedt and Michael Anderson started their Three Rivers Project to clean up Minnesota's three largest rivers.

This week, NASA is paying tribute to fallen astronauts who lost their lives in the pursuit of space exploration by holding a remembrance ceremony today (Jan. 26

NASA will join journalist Maria Shriver, tennis legend Billie Jean King and Grammy-award winning vocalist Patti Austin in remembering the life of Sally Ride.

NASA will send off the "Sunjammer," a 128-ft solar sail, to record space weather and study the Sun.

Beyoncé ended the year on a sour note with members of the NASA community.

Tuesday, Jan. 28 marked the 28th anniversary of the destruction of the space shuttle Challenger and loss of the crew.

Research shows that many people purchase food with a sustainable seal without understanding what the seal means.

Paper receipts are full of problems, not the least of which is BPA. But there are now many digital options for getting and storing them that make life easier.

An Atlanta jeweler upcycles tarballs picked up from the beaches of Louisiana's Grand Isle into eco-friendly jewelry.

Nearly two years after the Deepwater Horizon disaster gushed millions of barrels of oil into the Gulf of Mexico, tar balls from the spill still turn up on Alaba

The energy-services giant will plead guilty to destroying evidence after the 2010 Deepwater Horizon oil spill, according to the U.S. Justice Department.

SolarCity is hiring 100 new photovoltaic installers in Southern California and in the Greater Phoenix, Arizona area.

Scientists propose dropping poison to kill mice on the Farallon Islands, but there's concern that wildlife and water quality will suffer.

Put down those flowers and jewelry. Here's what mom really wants this Mother's Day.

Mother's Day may be the perfect time for Duchess and Buttercup to find a family.

Ruling is latest twist in a long debate over how to regulate and enforce coal ash disposal.

A new study reveals that a lean, fit body equals happy teeth and gums.

Defying stereotypes, teenager Vilde Westeng aims to be the best halling dancer.

Valley fever, or coccidioidomycosis, is a potentially deadly fungal infection that has been called California's "silent epidemic."

Oregon's Silver Falls State Park is a wonderland of rivers, streams, rainforest and cascading water.

Preference for "cleaner" male trees and plants in urban settings may trigger extra sneezing and wheezing. That's botanical sexism, says Thomas Ogren.

The U.S. Fish and Wildlife Service declared the eastern cougar extinct after it not being seen for over 80 years.

MNN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food.

MNN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food.

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula d

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula do

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog f

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog fo

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog foo

What does a green dog do? Check out the contestants. Enter your dog now!

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. W

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'

What does a green dog do? Check out the contestants. Enter your dog now!

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'r

MNN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'r

What does a green dog do? Check out the contestants. Enter your dog now!

What does a green dog do? Check out the contestants. Enter your dog now!