The rare dual-sex butterfly astounded curators at the Natural History Museum in London.

ncreasing fathers' support during pregnancy may lower rates of premature babies and babies born too small.

From the neurobiology of attraction to the hard truth about online dating, these five books offer fresh takes on our quest for love.

Though childbirth is frequently spoken of in terms of pain and punishment, some women do experience what are known as orgasmic or ecstatic births.

Keeping sperm from being ejaculated may provide the key to creating a birth control drug for men.

Early data suggest the U.S. teen birth rate hit a historic low in 2013, according to a new report from the CDC.

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

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

There's a lot to sort out in Libya's post-Gadhafi era, but there should be good news for the American consumer.

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.

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.

Foods that are healthy also tend to be sustainable. Should the USDA guidelines reflect that?

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.

'Inception' star and self-described hippie at heart names her first child Marcel.

A new study found that the mortality rate for women with no children is 4.9 per 1,000, yet notably dips to 1.6 among women who give birth after 45.

New research explains why babies lose interest when they see something that seems simple.

Actress delivered a 7.5-pound baby girl at her Pennsylvania farm on July 2.

Need a few minutes of quiet? Here's a roundup of activities to keep your baby busy - and calm - at least until you finish your coffee.

Water immersion may be OK for labor, but not for delivery, says panel of pediatricians and OBGYNS.

Misinformation and 'vaccine fears' are causing parents to forgo a safe solution to a dangerous newborn vitamin deficiency.

Researchers find that breastfed children were exposed to more food flavors and were therefore more likely to be healthier eaters than their non-breastfed peers.

Squeeze on in for a tour of the COMET, a 1960s Avalon camper transformed into a solar-powered mobile abode by Mariah Coz.

A design firm best known for its repurposed cardboard creations tries its hand at small-scale adaptive reuse with absolutely gorgeous results.

The 17th century New Jersey abode comes with a gazebo, 4-car garage and a couple named Harry and Doris.

Photographer Blake Burton chronicles the extensive work of restoring a historic Sears, Roebuck & Co. building.

Actor/activist excited to use new role to share that 'human well-being is intertwined fundamentally with biodiversity'.

Is Denver's B-Cycle program nothing but a form of U.N. control of the city? The Mayoral Republican gubernatorial frontrunner thinks so.

Earth has never hosted 7 billion people all at once before, but according to the U.N., it may reach that spooky milestone by the end of this month.

Mongolia, the host of this year's World Environment Day, is home to Earth's rarest bear. Conservationists hope 2013 will mark the start of its comeback.

Michigan woman has a 'photo booth' to get a glimpse of the personalities of birds that visit her yard.

Annual Koch Institute exhibition explores the thought-provoking and stunning visuals behind life sciences and biomedical research at MIT.

Polar bears have shifted to a diet of more land-based food in response to climate change and melting sea ice.

Volunteers help scientists understand birds and changing habitats.

Looking to the ground before taking to the air–-what ground birds can teach us about flight.

Babies are oriented towards pro-social individuals. They prefer interacting with a pro-social individual over an anti-social individual.

A comparative psychologist says African grey parrots have the social skills of a 2-year-old child and the intelligence of a 5-year-old.

An entire ecosystem living without light or oxygen flourishes beneath the ocean floor.

Will Obama’s green cabinet give birth to the next spotted owl?

A freshwater lake the size of the state of West Virginia has practically disappeared. The lessons that the Aral Sea may hold for U.S. waterways.

History has been made. Today is for the hangover, and then the hard work. Six distinguished environmentalists weigh in.

Obama steals a play from the Reagan/Bush playbook, and hopes for the opposite result.

What’s been called the largest wetlands restoration in the Western U.S. was halted in December. California is projecting up to a $42 billion budget shortfall

Sometimes, the big guns in Congress aim to keep stuff 'away' from their states. Senator Harry Reid and the tale of Yucca Mountain is a prime example.

An MNN column causes an uproar in the scientific and not-so-scientific community. Our columnist responds.

OK, I admit. Maybe there's no such thing as climate change. Maybe it's all a hoax. Maybe.

Humanity is often at its worst and wackiest in our search for water. Peter Dykstra on a free-flowing font of bad ideas.

Step right up and watch how the government is misspending your tax dollars on the environment.

Being eco-minded on Earth Day is like being merry on Christmas. It's to be expected. But here are seven things you can actually do to wake you from your eco-slu

You'll never guess who's fighting to stop the construction of a wind farm off the shores of Cape Cod. Environmentalists.

"Enron could've saved us" and four other environmental predictions that didn't come true.