'Remarkable' cosmic explosion discovered in decades-old X-ray data
The "needle in the haystack" discovery of a powerful explosion from a mysterious unknown object outside our galaxy has ...
Former director of the Alabama NASA center during the Challenger space shuttle explosion dies at 102
The man who led a NASA facility that shouldered much of the blame for the 1986 space shuttle Challenger explosion has died ...
A timeline of air disaster near Washington, deadliest in US since 2001
More than two weeks after a helicopter and airplane collision near Reagan National Airport near Washington D.C. killed 67 people, investigators have completed their work at the scene where both ...
The 2009 Colgan Air disaster became a turning point for U.S. aviation. These families led the call for change.
Coverage of the recent mid-air collision brought up painful memories for John and Marilyn Kausner, whose daughter Elly was among those killed in the last major U.S. air disaster.