The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

At 8.15 a.m. on Jan. 28, 1986, New Hampshire social-studies teacher Christa McAuliffe sat with her six fellow astronauts ahead of the launch of the Space Shuttle Challenger from Kennedy Space Center ...

Add Yahoo as a preferred source to see more of our stories on Google. Nearly a quarter century after Jeff Bezos founded Blue Origin, the rocket company is poised for its most defining moment to date: ...

Add Yahoo as a preferred source to see more of our stories on Google. The Challenger shuttle crew: (back, L-R) Ellison S Onizuka, Christa McAuliffe, Greg Jarvis and Judy Resnick. (Front, L-R) Mike ...

Sunday marks 38 years since the space shuttle Challenger lifted off on a chilly Florida morning and passed into history when the ship carrying seven astronauts -- one the first “civilian” in space, ...

A new U.S. rocket reached orbit early Monday, and the launch was a big one — not just in scale of the vehicle, but also in significance for a market that has become dominated by a single player in ...

Rocket Lab (RKLB), a challenger to SpaceX (SPCX) in the rocket launch business, is now going after SpaceX in a different way: ...

On Jan. 28, 1986, the space shuttle Challenger broke apart shortly after it lifted off from the Kennedy Space Center in Florida, killing all aboard. Among the seven crew members was Christa McAuliffe, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Nearly a quarter ...

United Launch Alliance's Vulcan rocket successfully launched its long-awaited inaugural mission from Cape Canaveral, Florida, early Monday. Vulcan successfully deployed its main payload, the Peregrine ...