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

Unlike many humans, some monkeys are genuinely faithful to their mates.

The popularity of weird beards and mustaches among young men living in Brooklyn, N.Y., may be more than just a hipster fad.

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

Certain female spiders are infamous for eating their partners after sex, but some actually pounce on suitors, fangs first, before mating.

Although syphilis was nearly eliminated from the U.S. about a decade ago, the sexually transmitted disease has resurged in recent years.

More than two-thirds of healthy Americans have a human papillomavirus (HPV) infection on some part of their body

Though the study's assumption of what "better" sex means is pretty specific.

Picking a partner while on the Pill might have lasting ramifications on marital satisfaction, new research finds.

Study found that men who ejaculated more than 21 times a month were significantly less likely to develop prostate cancer.

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.

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

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

Video captured by salmon farmers shows a bald eagle grabbed by an octopus — and then the farmers stepped in.

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.

Something seems fishy ... when asked about poor response to the disaster, the head of the Louisiana Coast Guard said: 'I'm just slow and dumb.'

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

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.

Oilman-turned-solar entrepreneur Jeremy Leggett says there's only one shot to plug the well, and getting it wrong comes with a heavy price.

Greenpeace ship blocked en route to protesting new oil find off the coast of Greenland.

Several environmental organizations join forces to launch a new campaign urging the federal government to adopt a fuel efficiency goal of 60mpg by 2025.

Are gas prices making you want to pull your hair out? CNN's Ali Velshi explains why we're to blame for high gas prices.

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.

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.

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

Food news and items of interest from around the Web for your weekend reading.

The USDA is expected to announce that schools will be able to request beef patties with or without the controversial filler.

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

The MyPlate icon is starting to pop on food packaging. What are the USDA’s rules for companies that want to use it, and does its appearance on a package imply

The winner of the Apps for Healthy Kids contest sponsored by Let’s Move allows kids build a healthy meal from ingredients online, and they can send those meal

The agency bows to pressure from the livestock industry to backtrack on urging people to reduce their consumption of meat.

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'

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

The outgoing USDA deputy secretary receives a heartfelt letter signed by Alice Waters, Marisa Tomei, Robyn O’Brien and many more.

A new report released by EWG details just how widespread the use of antibiotics in animals is and the disturbing problems it's causing for humans.

A new report ranks meat and poultry based on outbreaks of foodborne illness.

The Non-GMO Project received USDA approval to label meat from animals fed a diet that didn’t contain genetically modified ingredients as Non-GMO.

A pilot project in Ithaca, N.Y. will rent space in a community freezer for people to store bulk meat purchases.

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.

What will happen to WIC, SNAP and the federal school lunch program if the shutdown is prolonged?

A new report has some sobering statistics about how much food is wasted on the retail and consumer ends of the food chain.

In its Week in Review video, a USDA rep says it’s OK to eat that dry pasta several months past its sell-by date.

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.

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.