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.

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.

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

Many Bolivians feel that coca has been unfairly stigmatized in the country, where the plant has traditional medicinal uses and features in many everyday rituals.

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

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.

Lebanon has launched a campaign to get its renowned Jeita Grotto caves named as one of the world's "New Seven Wonders of Nature."

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.

Lebanon has launched a campaign to get its renowned Jeita Grotto caves named as one of the world's "New Seven Wonders of Nature".

Officials are working to clear a huge algal bloom that has struck the waters near Qingdao, where the Olympic sailing events are scheduled for August.

After being used to create the world's longest shoe chain, more than 10,000 donated sneakers will be recycled into athletic surfaces for playgrounds.

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.

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.

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.

Birds can extract detailed information from antipredator calls made by other bird species they encounter during their migrations, scientists say.

Prehistoric specimens, wig curlers, and a half million other artifacts discovered at the Virgina site will help scholars fill in large gaps in the story of the first U.S. president's early life.

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.

A well-preserved settlement near the temple of Edfu provides rare glimpses into the daily lives of the ancient Egyptians.

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

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.

A dense and highly interconnected structure inside the human brain seems to play a vital role in communication within and between the hemispheres, a new study says.

Australian scientists are conducting field studies to track a fungal infection that has been killing Tasmanian platypuses for more than 25 years.

For centuries, the Chapel of All Saints in the Czech Republic has drawn visitors with a chandelier and other décor made from the bones of some 40,000 people.

A 40,000-year-old human fossil with delicate toe bones from China suggests humans wore shores at least 10,000 years earlier than previously thought, scientists say.

On the anniversary of the massive blast, U.S. experts are calling for increased funding to protect Earth from destructive meteor strikes.