Officials killed gorilla after a 4-year-old fell into exhibit moat
Oil's rebound continued this week, while some Canadians often unable to pay the bills
Brazilian police say they are hunting for more than 30 men suspected of participating in the gang rape of a 16-year-old over the weekend
Johanna Wagstaffe explains the latest research on the red planet.
- Gorilla shot dead after boy, 4, falls into enclosure at Cincinnati Zoo
- Brazilian police swarm Rio slums for suspects after girl's gang rape
- Illegal immigrants treated better than veterans, Donald Trump tells biker rally
- Zoos: Is there a safe way?
- Brazil police seek more than 30 suspects in Rio gang rape