Scientists have found the oldest-known modern bird fossil in Antarctica. It suggests this land could have been a refuge from the dino-killing asteroid.
A winter storm is moving across the U.S., bringing heavy snow and ice, and creating severe weather in the form of damaging wind gusts and isolated tornadoes.
An atmospheric river has been pummeling California since the weekend, with wind, heavy rain and snow at high elevations. Another one is expected later today.