WEEK IN PHOTOS: Space "Ribbon," Calif. Wildfires, More

A beach full of red balloons, a new Argo setting sail, and a U.S. flag lit up by lightning are among this week's most colorful events.

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George Washington's Boyhood Home Found

Wig curlers, a pipe with Masonic carvings, and a half million other artifacts were also part of the discovery, which will help scholars fill in large gaps in the story of the first U.S. president's early life.

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Everglades Rescue "Out on a Limb" Without Federal Aid

Some environmentalists fear that the historic land deal could be seriously hampered unless the U.S. Congress follows through on a funding commitment it made almost 20 years ago.

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Penguin Chicks Frozen by Global Warming?

Young penguins are freezing to death as rainfall increases in Antarctica—one of many factors endangering two-thirds of penguin species, a new paper says. With video.

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VIDEO: Puppies Trained for Land-Mine Duty

A litter of puppies, bred from dogs in Bosnia, are undergoing training to help sniff out unexploded munitions that litter the Cambodian countryside.

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PHOTOS: George Washington's Boyhood Home Discovered

Wig curlers and fragments of a tea service were among the half a million artifacts found at the childhood home of America's first president.

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Ancient Egypt Settlement Sheds Light on Everyday Life

A well-preserved town provides rare clues to the daily lives of ancient Egyptians, including the importance of local commerce and politics, archaeologists say.

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Migrating Birds Understand "Foreign Languages"

Birds that travel widely can understand warning calls made by other bird species encountered during migrations, scientists say. Stay-at-home birds show no such ability.

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Stone Age Art Caves May Have Been Concert Halls

In at least ten locations, prehistoric cave sketches are found in spots that transform and amplify the sounds of human voices and musical instruments, according to a new study.

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VIDEO: Vermont-to-Caribbean Connection

Every year a Vermont researcher follows another of the state's residents to the Caribbean: the Bicknell thrush, a small migratory bird.

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Even Modest Increases in MPG Can Equal Big Gas Savings

Most car buyers in the U.S. don't know that even small boosts to gas-guzzler efficiency can save more fuel than bigger mpg gains in already efficient vehicles, according to a new study.

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