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Scientists have discovered water that has been trapped in rock for more than a billion years. The water might contain microbes that evolved independently from the surface world, and it's a finding that gives new hope to the search for life on other planets.

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The news that U.S. scientists have successfully cloned a human embryo seems almost certain to rekindle a political fight that has raged, on and off, since the announcement of the creation of Dolly the sheep in 1997.

"The issue of legislation on human cloning is about to get hot again," says Hank Greely, director of the Center for Law and the Biosciences at Stanford Law School.

Scientists say they have, for the first time, cloned human embryos capable of producing embryonic stem cells.

The accomplishment is a long-sought step toward harnessing the potential power of embryonic stem cells to treat many human diseases. But the work also raises a host of ethical concerns.

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Google Glass isn't even for sale yet, but it's already facing backlash.

There have been articles in the Atlantic and Wired mocking techies who have a pair, and even Saturday Night Live got in on the jabbing at the technology.