Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
Wolf Blitzer speaks to Mark Kelly and Miles O'Brien about the failure of Virgin Galactic's SpaceShipTwo.
Army Chief of Staff Gen. Ray Odierno tells Wolf Blitzer that Russia flying planes without any communication is 'concerning'. Full story
Unusual Russian flights concern NATO
An unusual uptick in the size and scale of Russian flights in European airspace has raised concerns for NATO officials.
Republican Sen. Saxby Chambliss says ISIS carries out their threats, and killing them is the only option U.S. has.
An officer is in critical condition after suffering a hatchet wound to the head in what the NYPD call a terrorist attack.
Journalist Cormac Mac Sweeney shares his experience from the Ottawa shooting and how the shooter might've gotten in.
Watch CNN's full interview with Matt Olsen during "The Situation Room," airing from 5-7 p.m. ET.
The former head of U.S. counterterror operations said Tuesday the "imminent threat" posed by an al Qaeda offshoot in Syria hasn't lessened after a U.S. air campaign there.
Speaking to CNN's Jim Sciutto, Matt Olsen said by his analysis the threat from the Khorasan group "is still in the same place as it was before" President Barack Obama ordered airstrikes against the terror operation last month. Full story