Calif. utility stumbles on 1.4M years old fossils

(AP) -- A utility company preparing to build a new substation in an arid canyon southeast of Los Angeles has stumbled on a trove of animal fossils dating back 1.4 million years that researchers say will fill in blanks in ...

What drives Yellowstone's massive elk migrations?

Every spring, tens of thousands of elk follow a wave of green growth up onto the high plateaus in and around Yellowstone and Grand Teton national parks, where they spend the summer calving and fattening on fresh grass. And ...

Future of polar bears likely to be grim

Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.

Australian 'Dumb Ways to Die' safety clip goes viral

An online video featuring cartoon creatures killing themselves in a variety of ways as part of an Australian transport safety campaign has gone viral, with almost 12 million YouTube views in a week.

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