CNN's John Zarrella reports on how toxic algae is leading to the death of manatees in Florida.
CNN's Wolf Blitzer talks to CNN reporter John Zarrella about a plane crash in Fort Lauderdale, Florida.
Though the days of NASA's space shuttle launches are over, the rocket building business is booming. CNN's John Zarrella reports.
CNN's John Zarrella reports thousands of new voters daily are being registered to vote in the pivotal swing state.
CNN's John Zarrella reports on a man who's spent nearly two decades photographing Mars for us to see.
John Zarrella reports a lifeguard fired for ignoring protocol to rescue a swimmer says he has been offered his job back.
RELATED STORY: Florida lifeguard says he's been offered his job back