Climate change is in the news once more this week, as a gigantic ice shelf in Antarctica broke up. The Christian Science Monitor has more.
Space shuttle Discovery returned to Earth this week after a 16-day mission to the International Space Station. It was the longest such shuttle/ISS mission to date. The seven-member Discovery crew didn't just float around; they completed many tasks necessary to the maintenance and upgrade of the station. More from MSNBC.com.
An ancient jawbone discovered in Europe is now believed to be that of a 1.2 million-year-old human. The finding means that jawbone is the oldest known human remain. National Geographic has the story.
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