Clues to how life evolved, not only on this planet but also possibly on alien worlds, might be found in underwater caves in the Bahamas, researchers say.
Science editor Alan Boyle's blog: Researchers reproduce a katydid's call from 165 million years ago, based on an analysis of fossilized wings found in China.
Several Russian news outlets are reporting that Russian scientists have successfully drilled to Antarctica's Lake Vostok, a massive liquid lake cut off from daylight for 14 million years and buried beneath 2 miles (3.7 kilometers) of ice.