Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
News that broke in The Situation Room: For the second time this year, one of the pumps that cools the International Space Station has failed. NASA says the crew is not in imminent danger, but as CNN's John Zarrella reports, they will have to conduct a space walk to fix the malfunction.
Cancer research, food safety, and the Head Start school program are some of the things left hurting by the government shutdown. We go around the country to CNN's RenĂ© Marsh, Brian Todd, Erin McPike, and John Zarrella to see how a government shutdown is affecting you.
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