Though the days of NASA's space shuttle launches are over, the rocket building business is booming. CNN's John Zarrella reports.
CNN's Lisa Sylvester reports on earth's defense against exploding meteors and fly-by asteroids.
CNN's Tom Foreman takes a look at a meteor that exploded over Russia and an asteroid that passed by Earth.
CNN's Chad Myers has the details of an asteroid scientists say will narrowly miss hitting Earth in February.
You could easily skip by it in an archive search: a project titled "A Study of Lunar Research Flights." Its nickname is even more low-brow: "Project A-119."
But the reality was much more explosive.
It was a top-secret plan, developed by the U.S. Air Force, to look at the possibility of detonating a nuclear device on the moon.
by Dugald McConnell and Brian Todd
Watch "The Situation Room with Wolf Blitzer" Tuesday at 5pm on CNN for more of Brian Todd's interview with space jumper Felix Baumgartner.
(CNN) - He has been dubbed "Fearless Felix," but the Austrian skydiver who broke the sound barrier last week was almost derailed by a fear he had never before encountered: claustrophobia.
In a wide-ranging interview with The Situation Room's Brian Todd, Felix Baumgartner said that as he did longer and longer test runs, wearing his restrictive skydiving suit, his anxieties got worse and worse.
CNN's Jeanne Moos reports on Felix Baumgartner's leap that launched a thousand laughs.
CNN's Brian Todd looks at the future role for private companies is in high-altitude and space exploration.