Extinct 12-Foot-Long Shark Is Related to Ginormous Megalodon

About 20 million years ago, a shark the size of a car swam along the ancient coastlines of the Atlantic and Pacific oceans, hunting for medium-size fish with its pointy teeth, a new study finds. The predator is related to Earth's biggest shark, Megalodon.

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Are Virtual Reality Headsets Safe for Kids?

Virtual-reality headsets are likely to be at the top of many kids' wish lists this holiday season, but with many VR devices coming with age restrictions, is the technology safe for youngsters?

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YouTube's 'It's Okay To Be Smart' Serves Up Stimulating Science

Asking questions about the science all around us is a good thing, according to Joe Hanson, host of the YouTube channel "It's OK to be Smart."

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9 Celebrities Who Spoke Up about Depression

Here are 9 celebrities who are doing away with the stigma of depression.

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Alternative Treatments Linked to Skipping Flu Shots

Kids who get alternative medicine treatments may not get their flu shots as recommended, new research shows.

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Why Did Yahoo Take So Long to Disclose Security Breach?

LinkedIn, MySpace, Yahoo: Why does it take such a long time for companies to disclose that they have been hacked?

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Where Did Satan Come From?

The devil goes by many names — Satan, the Prince of Darkness, Beelzebub and Lucifer to name a few — but besides this list of aliases, what do people really know about the brute? That is, how did the story of Satan originate?

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