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Tyson is known for his somewhat irreverent tweets about space and science.

Facebook, Twitter, cat videos... Few people can resist the Internet, and here's why.

But apparently, time travelers shy away from promoting their whereabouts on social media.

Why stay home and cook for your sweetheart, your family, or your friends on Valentine’s Day? Let me show you.

Before you finish your Valentine's dinner with a decadent dessert, start it with this healthy salad full of red fruits and veggies.

Researchers think unusually warm waters might be the reason for stranded and starving pups.

Scientists at RMIT University in Melbourne, Australia, want to put errant butts to an intriguing new use.

As a growing number of homeless people take to Los Angeles' subway system, officials consider installing mobile showers and bathrooms at certain stations.

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.

The fabled highway's inclusion on the National Trust for Historic Preservation's annual most endangered list might come as a surprise .

Dependence on GPS hampers your brain's ability to navigate and can even lead you astray. Don't leave home without a trusty paper map.

The doctor who discovered the dangers of concussions says kids should avoid high-impact sports until they are 18.

Some schools are trying meditation instead of detention for their students ... and it's working.

Male primates may have become monogamous to protect their offspring from being killed by rival males.

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

The answer, it turns out, is simple: BP didn't want workers to be disturbed by "false alarms."

No matter how much nostalgia they generate, they're out of step with $4 a gallon gas and concern about foreign oil dependence.

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

In the second Healthy Lunchtime Challenge kids enter their best original lunch recipes for a chance to attend the Kids’ State Dinner.

A petition to to the USDA to allow food stamps to be used online could make affordable, healthy foods easily available to people in food deserts.

Georgia’s coast is currently protected from hurricanes by a series of barrier islands, but their value is decreasing as sea levels rise.

As ice melts, Antarctica's ground is rebounding at a surprising rate. Scientists think it's because the Earth's mantle is flowing faster there.

Antarctica ice loss was only contributing 0.2 millimeters per year to sea level rise, but that number has jumped to 0.6 millimeters since 2012.

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.

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.

What you need to know to choose the best infant formula for your baby.

Kate Middleton, the Duchess of Cambridge, is one of the unlucky 1 to 2 percent of women who suffer from this acute illness during pregnancy.

Is the idea behind Swipe & Feed smartphone/baby bottle combo genius or ridiculous?

Bone broth is nothing new, but it’s suddenly very popular to have a daily mug's worth. Here’s why.

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

'The Good Stuff' on PBS makes compelling argument for chowing down on bugs.

This year's open category winners of the Sony World Photography competition range from a Chinese shadow puppet show to a mesmerizing underwater dance.

Photo of hungry sharks wins Underwater Photographer of the Year contest, which also selected winners in more than a dozen categories.

Photographer Oliver Hellowell believes anyone can accomplish their dreams — even if they have Down syndrome.

Photographers capture landscapes, portraits, wildlife and more for Sony World Photography Awards.

Dozens of massive president heads sit in a field in Virginia, waiting for a new home in a museum.

Science Photographer of the Year contest highlights how photos can open a window to science.

Video: Could working the night shift alter a woman's body clock enough to cause breast cancer?

Video: Getting enough shut-eye really matters for children, and those who are poor need it the most.

Video: The best animators know that physics will make their animation more lifelike.

When the Dalai Lama and Archbishop Desmond Tutu get together to share wisdom, we should all stop to listen.

The Swedish ritual of Årsgång or "year walk" is said to reveal visions of the future — if you can complete the requirements.

The ancient Romans saw 'Pluto's Gate' in what is now modern-day Pamukkale in Turkey as the entrance to the underworld. Now we know how it worked.

The Council of Nicaea decided that Easter falls on the first Sunday after the first full moon after the vernal equinox.

Why Volkswagen should bring back the Microbus.

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

The oil cleansing method has women everywhere ditching face soap in favor of oil — but why?

Here are five foods that will help keep your hair healthy.

Diaphragmatic breathing is easy to master and good for your body and mind. So, here's how to breathe correctly.