Videos and ads by Roxy for women's surfing gear and swimsuits anger female surfers.

Even water tastes sweeter when you're in love, new research finds.

Most middle-aged women do not give up sex as they age, especially if sex is important to them.

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

"Sex in the Wild" is an entertaining, educational, explicit and scientifically stimulating look at how animals reproduce.

A new survey links a fondness for grilled cheese with how often you make love. (Seriously.)

Women's cheeks get redder when they are the most fertile, but this color change is so subtle that it is undetectable by the human eye.

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

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

Drone video shows the beautiful fall foliage on display in Vermont.

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

Former oilman T. Boone Pickens talks about the need to get off foreign oil and the recent spill in the Gulf Coast.

Nature photographer Florian Schulz says the oil spill in the Gulf must serve as a warning as the U.S. seeks oil in the Arctic.

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

Why are government officials still blocking journalists from documenting the Gulf oil spill? What are they hiding, and why is Obama letting it happen?

Alaskan journalist Charles Wohlforth, author of 'The Fate of Nature,' tells MSNBC about the oil spill's likely long-term effects and what could exacerbate them.

The makers of eco-docu 'FUEL' wants you to attend two big events to help end America's addiction to fossil fuels.

100,000 barrels per day and a tilting wellhead presage doomsday scenario, according to an industry insider.

Billed as the first charity 'F-bomb-athon' this is of the most satisfying rants about the BP oil spill yet. Do not listen in the presence of small children.

A mere change of governments will not make Arab countries’ economic problems go away. Indeed, the converging effects of population growth, climate change, and

Brian Schweitzer makes headlines for discussing how we use our military to protect our energy interests abroad.

The Republican presidential candidate from Minnesota thinks she has the magic touch for lowering prices at the pump.

The cartoonist responsible for beloved webcomic xkcd is also an ace infographic designer. His "Money Chart" is the definitive portrait of a cash-strapped, cash-

By 2030, America could surpass Saudi Arabia in terms of crude output. That's great for energy independence, but it's not all good news.

It's just not possible to feed meat to the 7 billion (and growing) people on planet Earth.

Amid an uproar from some conservatives, the Obama administration will delay an industry-funded effort to promote real Christmas trees over plastic replicas.

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

The fast-food company denies that pressure from chef Jamie Oliver had anything to do with its decision.

Sensational headlines and varying reports about a North Carolina school lunch incident would have us think so.

Exotic beetles are killing America's ash trees, a popular source of wood for baseball bats. And as these verdant invaders spread into the Northeast, their grow

Consumers get outraged when they realize that foods labeled 'all-natural' contain genetically engineered ingredients. But GMO-free is

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'

Looking for plant hardiness zones? This useful map shows which plants you can grow in your garden based on temperatures in your area.

The USDA wants to set nutritional standards for snacks sold in vending machines, "a la carte" lunch lines and school stores.

More than twice as many states put in orders with the USDA this year for ground beef that may contain the controversial lean finely textured beef.

This unknown American hero led the development of one of the most significant technological innovations of the 20th century.

A GMO apple won't brown when exposed to oxygen, but apple growers aren't thrilled.

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 government no longer requires Country of Origin Labeling on meat, and the USDA has rescinded a grass-fed beef label.

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.

The new USDA label for "bioengineered food" doesn't answer basic questions that some shoppers will have about genetically modified foods.

USDA releases final rules for GMOs in our food, but they call them bioengineered foods instead. Here's what you need to know.

The melt-off from the world's ice sheets, ice caps and glaciers over eight years of the past decade would have been enough to cover the United States in about 1

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

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

Pine Island Glacier holds back part of the massive West Antarctic Ice Sheet, whose thinning ice is contributing to sea level rise.

The melting was part of an annual summer thaw, typical in size and timing for the season.