A random YouTube video leads to the reunion of two sisters who grew up 5,000 miles apart.

Facebook tops the list of the country's best companies for internships.

Facebook is in talks to buy a drone company that manufactures ultra-lightweight, solar-powered planes.

Feeling down? Happy? Angry? No matter how you're feeling, you can now blame it on your friends' most recent Facebook posts.

The social network's acquisition of the makers of the Oculus Rift headset promises to change the way we experience online media.

General Mills scraps new legal terms that served to waive the rights of Facebook fans and coupon users to sue the company.

Years of futile searching didn't work, but a single Facebook plea connects the two women in less than 24 hours.

Back in 1971, Jane Goodall observed a group of chimps break out in civil war. Now new social network analysis offers an explanation for this violent behavior.

New research finds some surprising reasons that people air all of that drama on Facebook.

Many of the social media network's users were outraged to learn they could've been unwitting participants in the study.

The '99 Days of Freedom' project has launched an experiment promoting happiness by helping users give up the social networking site.

One Australian is on a mission to have coffee, one-on-one, with each of his 1,088 Facebook friends. The question is, would you want to do that?

The idea grew out of disaster message boards that sprung up on Facebook after Japan's most recent natural disaster.

The number of updates you make a day, how often you use the 'like' button and even your photo album organization can tell your Facebook friends a lot about you.

Have you noticed a plethora of puppies on your Facebook page? This is why people are posting them.

New research shows that just clicking the 'like' button reveals more about us than we realize.

The social media giant has partnered with the National Center for Missing and Exploited Children to help get out the word when kids are in danger.

For many Facebook users, the urge to like a kitten video or snoop on a high-school flame is almost irresistible.

Many people today get their news via Facebook, but most probably give little thought to how the social media network filters the stories they see.

These cute canines are so popular that they're giving all those Internet-famous cats a run for their kibble.

The huge 'magnificent sundew' was unknown to science until a scientist stumbled across its photo on Facebook.

When you share a rescue organization's posts or comment on them, it may not always be what's best for the shelter.

This will create the world's largest virtual graveyard.

Hanan al-Hroub honored with $1 million prize for assisting children exposed to violence.

Adding volunteer work or a spiritual journey to your travel calendar can improve your mental health and add meaning to your trip.

After debuting in Nottingham, England, the big-hearted concept catering to 'rough sleepers' is coming to America.

A leopard cub left paralyzed by a car is pulling off a 'miraculous' recovery, thanks to the efforts of Wildlife SOS in Maharashtra, India.

Video: Learn about the Bryan Adams Foundation and what Bryan likes to do most when he's not playing music.

Video: Chuck interviews Ray Anderson of Interface Inc., author of 'Confessions of a Radical Industrialist'.

A protein complex has been shown to repair DNA damage caused by radiation or old age.

Human trials are set to begin on the treatment, which cured 100 percent of mice during animal trials.

Hailey Dawson has a 3-D printed hand and team spirit for days.

Groundbreaking case was the first to link the product with terminal cancer.

Developed at the University of Helsinki, PrimeBEE allows immunological signals to be passed from a queen bee to her offspring.

The secret to chicken soup's medicinal properties have been revealed by dietician Sandy Allonen.

The rotavirus vaccine may also have the unexpected advantage of reducing rates of Type 1 diabetes.

Black women's contributions to society have often been overlooked, yet these pioneers in science, technology and medicine have changed history.

Breakthrough vaccine technique makes you immune to all forms of the flu virus.

Airbnb is offering free housing for cancer patients and the people who care for them.

California considers labeling acetaminophen a carcinogen.

The Ozark chinquapin tree was believed to have been wiped out by blight, but it has slowly resurfaced.

The quirky Joshua tree may be nearly gone in 50 years if we don't battle climate change.

Large coalition of environmental groups uses humor to fight misconceptions around 'clean' coal.

The brothers behind 'The Big Lebowski' turn their filmmaking talents to the boondoggle that is "clean coal".

Matt Jones was arrested by TVA police after driving home elderly residents from a community meeting discussing the coal ash spill.

The ACES (aka Waxman-Markey) bill passes the house, but not all environmental groups are rejoicing.

A study in Philadelphia finds that transforming vacant lots into green spaces has a beneficial impact on mood and wellbeing, particularly in low-income areas.

Plucking litter from canals while sightseeing is one of the more singular ways to spend a couple hours in the Dutch city.

St. Louis, Orlando and Minneapolis are featured in a new Sierra Club report on the growing number of American cities rejecting fossil fuels.

Perfect for blustery apartment balconies, the student-designed O-Wind Turbine is a national winner of the James Dyson Award.