Exposing and discussing harassment is a way to send the message that it's not OK.

"Happy Halloween" and "Happy birthday" may not be sentiments heard very often in the same breath, according to a new study. The research finds that the number o

Not in the mood for fair trade chocolates and underpants? Consider these home design picks to please any sustainability minded sweetie this Valentine's Day.

These adorable pictures are sure to warm even the coldest heart.

Pedestrian scrambles, an idea championed by Henry Barnes in Denver, stop the flow of traffic and allow pedestrians to cross the street in all directions.

Research contradicts age-old advice about rest and recovery after a concussion.

Research suggests that long-distance relationships encourage more communication and that couples try harder.

Despite the HPV vaccine being effective at preventing infections and cancers down the line, just one-third of teen girls complete the injection series.

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

If you're looking for a boost in happiness, having more sex may not be your best bet.

From Texas and Colorado through the Midwest, South and East Coast, tornadoes are tearing through the U.S.

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

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

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

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.

According to state-by-state data, nearly 50 percent of moms in Oregon still breastfeed their babies at 12 months.

New study says pregnant women should think twice about taking acetaminophen as it may cause behavioral issues later on. But read deeper and the story changes.

The Institute of Medicine has raised the amount of potatoes, corn and peas it recommends you eat each week.

Did Nutella, the tasty chocolate hazelnut spread, really need more sugar?

We're looking at 2 to 6 months before the oil will stop gushing into the Gulf of Mexico. There are still a lot of questions that need answers.

The effect was greatest as kids got older, with tweens increasingly less likely to share.

Multi-university project asks how organic farmers can control these pests and protect their crops.

Scientists look at a lot of data — including the famous Stanford analysis — and find an excellent reason to enjoy organic produce.

In the nuke-crazed 1950s, Ford wanted to put mini reactors in cars. That didn't fly, but now we're hearing of radioactive thorium lasers that could power a car

Denver and Oakland vote to decriminalize magic mushrooms, showing support for psychedelic drug psilocybin. Other cities have similar laws on tap.

Tesla made its first profit in the first quarter of 2013, the stock is soaring and Consumer Reports is raving.

Broccoli is one of those miracle veggies we should eat every day. Here are smart, simple recipes to help you accomplish that goal.

Researchers reviewed more than 20 studies that investigated the effect that several types of meditation had on positive feelings.

It's ok to take a longer hot shower when your electricity is coming from the family wind turbine.

In the end, delivery dates are unimportant — but they do show how connected we are.

In the U.S., there are more trees than there were 100 years ago, according to the FAO. MNN's Chuck Leavell explains why.

Neanderthals might be extinct, but their genes still live on inside of us.

Global greenhouse-gas emissions already have passed the point where the worst effects of global warming could be averted, and they are still rising, according t

Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.

Study reveals that open-water swims have a dramatic effect on young cubs, which are forced to follow their mothers in search of food and solid ground.

If the mere thought of sharks sends chills down your spine, consider the damage that a swarm of ants could inflict. And even cows have been known to be deadly.

A report issued earlier this week caused quite a stir in the organic food world. See what some respected organic food advocates are saying about it.

They are making the choice between paying for tuition or food.

Featured in several Hollywood productions, the arch and its support pillars collapsed after heavy coastal storms.

You know you'll be interrupted at work, so learn to plan for it.

Bees don't want to sting you. They have far more important things to do, like keep our agriculture system afloat.

Markus Imhoof's new documentary balances microphotography with compelling storytelling. The film will debut on June 10.

New report lists the 10 places most threatened by a 100-year-old mining law. Some say it's time to update the rules.

Our houses are way more efficient than they used to be, but we're using more energy per capita than we ever have.

Conservation photographer Ben Von Wong's striking photo campaign aims to raise awareness of how microfibers from our clothes pollute the world's water.

More than 100 cities across the globe get 70 percent or more of their energy from renewable sources, according to London-based CDP.

Using satellite data and machine learning, researchers have mapped the movements of over 70,000 industrial fishing vessels.

There have been thousands of oil spills in the Gulf of Mexico in the year since BP's massive oil spill. We shouldn't be surprised.

Five rousing books that sound a rallying cry to think about and work toward environmental solutions in fresh, new ways.

While 'America Revealed' with Yul Kwon explores how typical systems work, we also explain new oil cleanup technology and Titanic history.