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

Two chubby marsupial species that would literally die for sex (albeit 14-hour sessions) have been discovered in Australia.

From the researcher who discovered peacock spiders, a new Australian spider species engages in a complex game to determine if a potential mate is a virgin.

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

Researchers discover several new species of sharks that can walk along shallow reefs on their fins.

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.

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

A new proposal would expand offshore drilling in U.S. waters, but it's drawing fire from supporters as well as critics of the oil and gas industry.

The USDA has updated its planting-zones map for the first time in 22 years, reflecting a warmer U.S. where many southern crops are expanding north.

In a recently released video, the first lady talks up the healthy new choices that kids will see in their school lunches this year

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

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

Scientists say the consequences of sea-level rise could be 'horrible.'

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

From N.H. to Nova Scotia, Ancient forests emerge only during rare periods of extreme low tide.

My newborn child won’t stop crying My sister-in-law says he could have colic. I don’t even know what that means but it sounds serious. Got any natural remed

MNN's family blogger takes a trip down memory lane, recalling life with a new baby before and after babywearing.

There are some things you can do to ease the adjustment your older kids experience from having a new sibling, including involving them in the baby's arrival.

After exhausting other price-sensible real estate options, a watercraft-loving Portland family settles on a 43-foot boat found on Craigslist for $14,000.

In his latest project for the DIY Network, Vanilla Ice moves to Ohio's Amish country to learn some old-school renovation techniques.

Apartments are expensive and hard to find. Is co-living a solution or is it just an upscale rooming house?

The United Nations shares "ONE Life," a new song and music video highlighting the severity of climate change.

“Eat Pretty” has simple nutrition information to transform your beauty routine – inside and out.

The orphaned polar bear cub that was rescued in Alaska earlier this year arrived safely at a new home in Buffalo, N.Y.

The zoo s hoping the 2-year-old male will pair up with the resident female and produce a cub.

The Central Park Zoo’s celebrated star was made famous when an animal psychologist was called in to address the bear’s problems.

These tiny, lightweight gadgets could mean huge savings for farmers.

Video: A Florida marine ecologist narrows down the spread of the first lobster virus.

Researchers genetically engineer glow-in-the-dark sperm in fruit flies and reveal a wealth of information about sexual selection.

Minnesota educator develops multimedia tools to share and preserve Ojibwe language and culture.

The pontiff's sweeping new encyclical is meant not just for Earth's 1.2 billion Catholics, but for 'every person living on this planet.'

Modern-day Lebanese are descendants of the Canaanites, proving that they weren't wiped out by the Israelites after all.

This ancient tea from the Yunnan province in China has numerous health benefits and tastes wonderful.

The Nissan Leaf and Chevrolet Volt are game-changing electric vehicles due on the market by the end of the year, and I just got a sneak peek.

Lance Armstrong joins a new media campaign to market the innovative 2011 Nissan Leaf.

Even the big cars are fuel misers these days, as buyers with cash in their pockets cast a wary eye on $4 gas. Did GM really roll out a 35-mpg Chevrolet Impala?

If countries continue to slow the use of nuclear power can green energy be a viable alternative, and at what cost?

The state wants to expand a nuclear-waste storage facility inside an ancient salt bed to play a bigger role in handling spent fuel from U.S. reactors.

According to a government study, Russia is covered with tens of thousands of ecological disasters.

The United States has approved construction of new nuclear reactors for the first time in three decades. The two new reactors approved on Feb. 9 for Georgia wou

A Japanese company is looking to profit from continuing fears about Fukushima radiation, by selling radiation-proof underwear.

A fireball that tears across the sky is not just a one-time skywatching event — it can reap scientific dividends long afterward. In fact, one that lit up Mexi

How healthy are America's plants, animals and environment?

At more than 500,000 square miles, the marine park is twice the size of Texas and three times the size of Germany.

Instead of food waste heading to the landfill, now it will be repurposed, donated, or turned into compost, animal feed, or clean energy.

From sibling cannibalism to daring cliff dives, some animal babies face unimaginable survival tests.

Tesla Motors has issued a voluntary recall for certain Roadster models.

Foster + Partners's 930-unit high-rise development will have enough on-site bike parking to go around and then some.

Squiggles, swoops, spires, waterfalls and some truly otherworldly latticework are just the beginning.

If there ever were a super-tall public sculpture begging for a tunnel slide ....