Today's Situation Room:

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 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.

October 28th, 2014
07:15 PM ET

NASA-contracted rocket explodes on launch

An unmanned NASA-contracted rocket exploded moments after its scheduled launch to the International Space Station. Full story

Mark Kelly: This is a 'risky business'

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Filed under: Mark Kelly • NASA • Wolf Blitzer
September 12th, 2013
08:09 PM ET

Ground Control to Major Frog

3, 2, 1... a frog blasts off with a moon probe. CNN's Jeanne Moos reports on one small leap for a frog and one giant leap for frogkind.


Filed under: Animals • Jeanne Moos • NASA
February 20th, 2013
07:05 PM ET

See how rockets are made for NASA

Though the days of NASA's space shuttle launches are over, the rocket building business is booming. CNN's John Zarrella reports.


Filed under: John Zarrella • NASA • Space
November 30th, 2012
07:59 PM ET

NASA to doomsday theorists: You're wrong

CNN's Lisa Sylvester reports on NASA's attempt to quell Mayan doomsday theories as the Dec. 21 "end date" approaches.

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Filed under: Lisa Sylvester • NASA
October 18th, 2012
10:32 PM ET

See Endeavour's journey in 1 minute flat

Time-lapse video shows the space shuttle Endeavour's trip to its new home at the California Science Center.

RELATED STORY: Endeavour's last ride, a trip through L.A.


Filed under: California • must-see video • NASA • Space
August 9th, 2012
10:28 AM ET

Meet the man behind the photos of Mars

CNN's John Zarrella reports on a man who's spent nearly two decades photographing Mars for us to see.


Filed under: John Zarrella • Mars • NASA • Space