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The Challenger disaster, a tragic day in space exploration history, took place on January 28, 1986. Just 73 seconds after launch, the Space Shuttle Challenger exploded, leading to the loss of ...

A vast body of research shows that every year, the shift to daylight saving time needlessly exacerbates various health risks, ...

Investigations into the 1986 Space Shuttle Challenger disaster revealed that key decision-makers worked on little sleep, ...

Those elements — and the climate at Marshall under Lucas’ direction — came under intense scrutiny when the space shuttle orbiter Challenger exploded Jan. 28, 1986, shortly after launch from ...

By the time of the Challenger disaster, Dr. Lucas was serving as director ... His public image was transformed by the events of Jan. 28, 1986. As schoolchildren watched on television from their ...

William Ray Lucas, who led the NASA facility that shouldered much of the blame for the 1986 explosion of the space shuttle Challenger, has died. Lucas was 102.

Time change and early school start times cost billions in lost productivity and health care expenses By: Joanna ...

Bettmann Archive, via Getty Images Days before the report’s release in June 1986, Dr. Lucas announced ... recorded for NASA in 2010, the Challenger disaster was barely mentioned, and he did ...

William Ray Lucas, who led the NASA facility that shouldered much of the blame for the 1986 explosion ... were watching the Challenger’s launch and witnessed the televised disaster in real ...