NASA says a critical prelaunch test known as the wet dress rehearsal — originally scheduled for Feb. 2 — could now take place ...

NASA's space shuttle Challenger exploded and broke apart Jan. 28, 1986, in the sky over East-Central Florida, killing the ...

Jan. 27 is a dark day in the world of space exploration. It’s the anniversary of the Apollo 1 fire that killed three NASA ...

On Jan. 28, 1986, America witnessed a tragedy: the explosion of Space Shuttle Challenger in the blue skies over Florida. The doomed shuttle touched us like we have never been touched before because ...

NASA teams in Florida are moving closer to a major test for the Artemis II mission, the first planned crewed flight of the Space Launch System rocket and Orion ...

A launch window is the span of time when a rocket can lift off and still reach its planned target in space. And it's not just at any random time of day. For missions like Artemis II, the rocket has to ...

The 40th anniversary of the Challenger explosion stirs the memories of Long Island educators who watched the disaster on ...

Building on past use of nuclear systems, NASA and the Department of Energy are developing small nuclear fission reactors for the Moon to provide reliable, long-duration power for future Artemis missio ...

It's been 40 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of ...

The voyage of Artemis II should serve as a balm for a humanity who could be forgiven for thinking the world has gone mad.

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