Sound analysis of sperm whale “clicks” suggests they might have names, similar to the individual, identifying whistles that dolphins display. And we thought they just sang to one another.

Illinois’s Tevatron accelerator lab, set to close later this year, finds possible evidence of what may be a new elementary particle or force of nature. Talk about going out with a bang.

NASA’s MESSENGER spacecraft returned the first close-up pictures of Mercury taken from orbit. The inner­most planet is pockmarked with craters.

A study showed that social rejection affects the same part of the brain as physical pain, bringing new meaning to the lyrics of “Love Hurts.”

PETA urged San Francisco to rename its seedy Tenderloin district to something that did not “evoke the horrors of the meat trade.” “What, am I going to say, ‘Yo, I’m headed down to the Mixed Salad?’” one resident told the San Francisco Examiner.