Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago. All seven ...

The space shuttle Challenger explosion was a defining moment of the 1980s. Whether you were watching on TV or in person, ...

SpaceX is scheduled to launch a Falcon 9 rocket from Vandenberg Space Force Base in California. Here's where to watch liftoff ...

Seven American spacefarers were killed in a tragic event 40 years ago today that has become widely known as the Challenger ...

On this day in 1986, millions watched on live TV as the Space Shuttle Challenger exploded moments after launch ...

Nuclear propulsion and power technologies could unlock new frontiers in missions to the moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit ...

Forty years ago, Americans were shocked when the space shuttle Challenger exploded 73 seconds after it launched on a chilly ...

Less than 2 minutes into its mission on Jan. 28, 1986, the shuttle exploded over Florida, sending the crew members, including a schoolteacher, to their deaths.

On January 28, 1986, the Space Shuttle Challenger broke apart just 73 seconds after liftoff from Kennedy Space Center in Florida, killing all seven astronauts ...

It was inherently risky, and space exploration continues to be so,” FSU history professor Ronald Doel said, referring to the ...

Live updates from SpaceX’s Tuesday night GPS III-9 mission that launched a Falcon 9 rocket from Cape Canaveral Space Force ...