New survey compiled by the Centers for Disease Control and Prevention finds condom use is up, but teen sexual behavior has not changed over the last decade, mea

But rolling in the hay resumes as doctors treat her allergy to semen.

The same-sex marriage rulings by the Supreme Court are but the most recent in a long history of cases that reshaped the family structure.

Men have lost most of the genes originally included on the Y chromosome during evolution, but those genes essential for survival have persevered.

Men now outnumber women in some Scandinavian countries, and scientists are reeling to explain why.

New Zealand's budget will make well-being and equality priorities over the economy.

A binary star system that got too close to our resident supermassive black hole paid the ultimate price.

Through November, customers can redeem specially marked bottles of Finlandia vodka to donate a tree planting in honor of themselves, friends or family through T

New evidence suggests that deforestation and increased carbon dioxide in the atmosphere are creating a meaner poison ivy.

Bei Bei the panda is leaving the Smithsonian Zoo in Washington, D.C., and heading to China after 4 years.

A giant spoon worm was caught on video as it burrows beneath the sea.

The demand for gasoline in the United States reached a new high in March with an average of 9.3 million barrels of gasoline being produced per day.

Video: Larry Schweiger, president and chief executive Officer of the National Wildlife Federation, talks with Rachel Maddow about the extent of damage to Gulf c

BP’s oil spill could hamper the domestic oil industry -- but that doesn’t mean we’ll use less oil.

Louisiana Gov. Jindal puts up Flickr album of gruesome oil creeping into Louisiana wetlands.

While the the big NGOs appear to be asleep at the wheel, thousands of Americans will gather on June 26 to make a bold statement to Big Oil execs: 'Stay off our

BP has been attacked from all sides, but it is the artist community that has provided its most thorough evisceration.

A federal official and a police officer told a local Florida news reporter that digging in the sand wasn't allowed without a permit.

The USDA has released its new, healthier standards for school lunches. Is everyone optomistic?

Officials will offer money to owners of environmentally sensitive farmland if they idle it in a conservation program instead of growing crops.

America does not grow enough fruits and vegetables to satisfy USDA recommendations for all citizens. This infograhic makes the argument easy to understand.

Looks like the USDA forgot its 'A' stands for all agriculture and not just beef this week, and Monsanto might have more power than the federal court system. It'

An infographic makes the argument for the USDA to get involved with setting national standards for the snacks allowed to be sold in schools.

Don’t know the difference between cage-free and free-range, natural and organic? This will help.

A request for a USDA Process Verified label for its non-GMO product has raised questions. Here are some answers.

USDA and EPA aim to cut food waste in half. But how will they get that food to the hungry?

New dietary guidelines put a limit on added sugar, and changed their tune on dietary cholesterol. Good news for egg lovers.

The USDA is asking makers of meat, dairy and egg products to stop using "sell by" and "use by" dates and adopt a universal "best if used by" label.

U.S. Cattlemen's Association has filed a petition to USDA arguing that lab-grown and plant-based meat startups shouldn't be able to call their products meat.

It may take less of an increase in global temperatures to melt the ice sheet covering Greenland than thought, new research suggests.

As the Arctic warms, meltwater lakes on the Greenland ice sheet are draining to sea more frequently — potentially lubricating the slide of the ice sheet into

As the old ice of Earth melts, photographers have captured its decline. Here are eight stunning before-and-after images detailing ice melts across our planet.

On Aug. 8, the Greenland ice sheet shattered a seasonal record, with more cumulative melting since record-keeping began more than three decades ago, new researc

With a focus on solar, schools and citizen entrepreneurs, Global Green USA formally announces its plan to help devastated-by-Sandy communities in New York and N

A new report from Climate Central finds that most of the overflow was caused by coastal flooding, which was made worse by rising sea levels.

Could the plight of one Kiribati family foreshadow a future inundated with climate-change castaways?

A new study shows that 20 percent of UNESCO World Heritage Sites are at risk, bringing to light the cultural implications of climate change.

As ice melts, Antarctica's ground is rebounding at a surprising rate. Scientists think it's because the Earth's mantle is flowing faster there.

These are just a sample of the things we could lose if temperatures rise 5.4 degrees Fahrenheit over the next 200 years.

While rising sea levels ultimately influence the entire planet, they pose the greatest threat to the islands sitting at sea level.

Antarctica ice loss was only contributing 0.2 millimeters per year to sea level rise, but that number has jumped to 0.6 millimeters since 2012.

According to World Bank data, many countries are losing a sizable percentage of land mass due to various factors, including sea level rise and severe weather.

We know sea levels will rise, and by just looking at the Southeast region, it's easier to see how sea level rise will affect wildlife and culture.

Stone Age villages on the Orkney Islands are older than Stonehenge, but archaeologists fear that they won't be around for much longer.

Egmont Key National Wildlife Refuge is rich with wildlife and history — and it's under siege from the waters that surround it. And it's only to get worse.

Everything from dandruff shampoo to olive oil can be used to treat this unsightly yet harmless condition.

What you need to know to choose the best infant formula for your baby.

Once you try this recipe for homemade baby wipes you'll never go back to store-bought again.

Is the idea behind Swipe & Feed smartphone/baby bottle combo genius or ridiculous?

There are a number of things you can do that will not only boost your fertility but also help ensure that you're in tip-top condition.