(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief ...

Marking three decades since the explosion of the Challenger claimed the lives of its seven-member crew, we recap the incident ...

Add Yahoo as a preferred source to see more of our stories on Google. The only bit of sleep Norm Thagard got on the night of ...

Through the tragedy, the lives and legacy of the crew have endured, and 40 years later, Christa McAuliffe is still changing ...

Former astronaut and professor Terry Hart is opening up 40 years later about the friends and colleagues he lost on board the ...

NASA’s Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took ...

January 28, 2026, marks 40 years since the Space Shuttle Challenger exploded 73 seconds after launch, killing all seven crew members. Explore NASA's Day of Remembrance, Bob Cabana's reflections, ...

Forty years after the Space Shuttle Challenger disaster, communities across northeast Alabama are honoring the crew’s legacy by investing in the future of science, technology, engineering and math ...

Data from the James Webb Space Telescope was used to create the largest, highest resolution map of dark matter, just ...