AP - At 5 a.m. on the Army's largest training base, soldiers grunt through the kinds of stretches, body twists and bent-leg raises that might be seen in an "ab blaster" class at a suburban gym.

AP - An earthquake east of downtown Los Angeles rippled across Southern California before dawn Tuesday, jolting millions of people awake and putting first-responders on alert.

AP - In a surprising discovery about where higher life can thrive, scientists for the first time found a shrimp-like creature and a jellyfish frolicking beneath a massive Antarctic ice sheet.