It's been 40 years since the space shuttle Challenger exploded shortly after liftoff Jan. 28, 1986, in Florida, killing all ...

We're asking readers to share their memories on one of those "Where were you when ... " type of moments in American history.

One company developed a rocket that landed vertically, but it drew less attention than SpaceX's rockets. Naturally, other ...

Forty years ago, the space shuttle Challenger exploded 73 seconds after liftoff. Seven astronauts were killed, including ...

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

It’s been 40 years since the Space Shuttle Challenger disaster. It was a day the nation slowly realized something had ...

Los Angeles Rams running back Kyren Williams rushes up the middle for an 11-yard gain against the Seattle Seahawks.

NASA and The Hubble Space Telescope has noticed the disappearance of the massive star N6946‑BH1 after it flared to a million ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

Being the second-oldest building still standing at Iowa State University, Morrill Hall has gone through many changes in its ...

In A Nutshell Thousands of existing seismic stations worldwide can now help locate falling satellites before hazardous ...