Melting ice on Mt. Kilimanjaro is mirrored on other tropical summits around the world affected by global warming.
Each state comes up with its own standards for student achievement. A new study from the National Center on Education Statistics compares them. Here are the top and bottom five.
With 60 votes, Democrats can beat a Republican filibuster – and they're increasingly confident of getting there by wooing party moderates.
But there's more heavy political lifting ahead. Liberals in the House are set to fight for a public option.
Democrats have chided Republicans for not offering their own healthcare ideas. But GOP attempts to turn the debate toward more incentives and fewer mandates have been rebuffed.
Forget Republicans. Democrats need to bring together their own centrists concerned about cost as well as liberals who still want a public option.
Here are the basics about ACORN and about the videos that have put the organization in hot water.