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The discovery of new foods by chefs of the prehistoric age may have helped our human ancestors evolve, archeologists say. Hominins that lived about 3 million years ago began eating grasses and sedge, which helped them survive in different environments.

A team of researchers from the British Antarctic Survey stumbled upon some interesting satellite images in 2009: a trail of penguin poop that showed signs of a huge colony of emperor penguins. A team of researchers finally made it out to visit the 9,000-strong colony last December, marking the first human contact the animals had experienced.

An Arizona ski resort is making snow for the first time this year, ending more than seven years' worth of legal battles over its snowmaking system, which relies entirely upon treated wastewater to coat its slopes when the snowfall has been uneven.

Immigration and Customs Enforcement said its detention facilities would be strained by the Congressionally-mandated across-the-board cuts that will take effect March 1.

When it comes to protecting the environment and issues like worker well-being and women's rights, 10 of the world's biggest food producers get failing grades from Oxfam, an activist group for the poor.

Marine debris is a big issue for fishermen - for environmental, monetary and practical reasons. Things like lost lobster pots, spools of microfilament and…

Dina Moreno of Seattle describes how her family built a "Little Free Library," one of thousands of miniature lending spots popping up around the country. The library, the size of a doll house, has helped bring the neighborhood together.

Explorers Eddy Cartaya and Brent McGregor have used ropes, ice screws, wet suits, and flashlights to map out more than a mile of passages underneath a glacier on Oregon's Mount Hood, in what are thought to be America's largest known glacier caves outside Alaska.

The prime minister took a train from London to York on Saturday, and a passenger says Cameron left his "red box" unattended for a time. It's one of the traditional briefcases that British officials use to carry papers. Cameron's office, though, says security personnel were always near.

Online comments "can be bad for science," the venerable 141-year-old science and technology publication said Tuesday as it made the announcement.