Over the next few days, Curiosity will drill deeper and collect samples, telling scientists about the fluids that once flowed across the area, a point of convergence for different types of terrain.
A government scientist says that to help keep more bees from dying we need to focus on helping beekeepers fight the varroa mite. But some groups say pesticides are just as problematic.
Gov. Mary Fallin said she will also delay other executions until the review is complete. Oklahoma tried to execute a man using a new combination of drugs. He died after the procedure was called off.
The town of Trout River in Newfoundland has a bloated, methane-filled, 80-foot blue whale carcass on its beach, and people are concerned that it might spontaneously combust.
Four years after women with jobs were diagnosed with early-stage breast cancer, nearly one-third were unemployed. But it's not clear how much of that was due to illness or to a sour economy.