Swedish start-up Flattr makes is an online tip jar of sorts.

There’s no denying that Facebook is popular among the teenage crowd, but a recent study shows that Twitter and Instagram aren’t too far behind.

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

Eco-publisher giving away copies of Riki Ott's book on the Exxon Valdez spill, <i>Not One Drop</i>, in exchange for donations to help in the Gulf coast relief e

We've given far too much of our lives to Facebook to give up on the relationship now.

Zest up your holiday feast with these must-have sauces and spices.

Become a fan and win these 6 eco-books focused on food and living well.

Spruce up your backyard with this must-have bird feeder.

Become a fan and win these 5 environmentally-themed books.

Become a fan of Mother Nature Network and win this top-of-the-line solar charging device -- perfect for your summer vacation.

Become a fan and win this wine and cheese picnic basket set with accessories.

Mother Nature Network is giving away some of our favorite green books to keep you busy by your favorite low-carbon fireplace this winter.

One of our lucky Facebook followers will have an organic backyard food garden created at their home by professionals.

Become a Facebook fan and win these 7 environmentally-themed titles.

Traveling in the states this summer? You’ll want to follow this Facebook page to help you find farm-to-table restaurants all over the country.

Meet the environmental organizations wielding the power of Facebook to inspire, educate and advocate for the planet.

Parents and teens should be on the lookout for this new privacy setting that affects 13- to 17-year-olds.

A new quiz making waves across Facebook has many users changing their profile photos to pictures of giraffes, all in the name of good fun.

Facebook knows who your romantic partner is, even if you keep that information private, and can even predict if the relationship will last.

Why actually create your own status updates when your computer can do it for you?

World Wildlife Fund, the Red Cross and UNICEF are among the first users of the new "Donate Now" button.

Comedians Tripp and Tyler have envisioned a funny — and much more accurate — Facebook movie of their own.

The boy who eats lunch alone in the school office everyday because no one will sit with him now has more than 1.2 million likes on his Facebook birthday page.

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.

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.

This will create the world's largest virtual graveyard.

Probably not, but one enthusiast is organizing a petition to make the social networking site consider the idea.

The 'Quakebook' project, a gripping Twitter-sourced charity eBook filled with first-hand accounts of life after the devastating earthquake and tsunami in Japan

Amazon on Thursday said ebooks, or Kindle books, have begun outselling print books for the first time in the company’s history.

Digital check-outs are becoming an increasingly popular option.

Amazon honors National Bullying Prevention Month with a daily deal on two titles that help empower kids against bullies.

It's hard to sift through all the free cookbooks, home improvement and other books that Amazon offers for the Kindle for free - especially when many of them are

Scare up some family reading fun with these Halloween ebooks filled with ghosts, and goblins, and freaky Halloween legends.