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A revelation goes against widely held ideas about how some glaciers work, and it suggests that at least parts of Greenland's ice sheet survived periods of global warming intact.

Texans overwhelmingly choose cars and trucks for their commutes, but in cities like Houston, Dallas and San Antonio, policy leaders have incentives to support cycling. They say it's good for business.

The Justice Department wants the settlement with mining company Kerr-McGee to send a powerful message: corporations can't shirk their responsibility to clean up the toxic legacies of their operations.

As leader of the women's network 85 Broads, Sallie Krawcheck lobbies for better gender equality in boardrooms. She also says women need to negotiate tougher to get there.

Some of the serious clashes between Russia and Ukraine are being carried out online. Crimea's referendum website was hit Sunday.

The Obama administration is widening the scope of economic sanctions aimed at Russia. The White House hopes to penalize its annexation of Crimea and discourage any further incursion into Ukraine.

Stanford says it will its divest holdings in coal companies over climate change concerns. It's the most prominent of the roughly one dozen colleges that have decided to sell off fossil fuel holdings.

You might not know the name, but you probably know the work: H.R. Giger created some of the most powerfully creepy visuals in Hollywood's history for 1979's sci-fi film Alien.

It's dry. Empty. Rocks everywhere. About 10,000 feet up in the Andes. Then, all of a sudden, you see an enormous, lime green, tasty-looking lump. Should you lick it?

The State Department has a new exchange program for culinary professionals. A delegation from the Middle East and Africa recently discovered there's more to American cuisine than fast food.