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Researchers have unearthed traces of what may be among the oldest human-controlled fires.
Whale watcher boats may be so noisy that killer whales must change their calls to be heard.
Analyzing dog DNA is helping to explain the origin, behavior, and diseases of dogs.
Ancient lava may contain some of the earliest traces of life on Earth.
Sedna, the most distant object known in the solar system, doesn't appear to have a moon.
In a recent race, high-tech, robotic vehicles tried to drive themselves across a desert.
Females may get male baboons to tone down violent behavior and become more cooperative.
Adding clay to cotton fibers can keep cotton from readily bursting into flame when heated.
As more and more people develop allergies, researchers are looking for ways to treat and prevent severe allergic reactions.
People had pet cats at least 9,500 years ago, long before ancient Egyptians started worshipping felines.
A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.
Extremely tiny particles known as buckyballs can harm living cells.