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The marquee song from 'The Wizard of Oz' remains timeless. The LOC is preserving its earliest incarnation.

This riddle dates back to 1861--can you figure out the answer?

Severe weather and postal service staffing shortages can result in late mail. Here's how states across the U.S. fare when it comes to deliveries.

The data is clear: Students need more sleep before hitting the books. So why can't they get it?

We give you an obscure word with four definitions--one correct, three made up. Can you identify the correct one?

You'll never look at these creatures the same way again.

A fishing group thought they caught a giant goldfish. What they hooked was actually much weirder.

Hiking is great for your health. Getting lost and thirsty is not.

If you want a more cuddly version of an American Girl doll, now's your chance.

Learn about Bootanomyia dorsalis, the tiny but troublesome parasitic wasp invading the U.S.