Morton Thiokol Inc., haunted by the Challenger space shuttle disaster two years ago, said Monday that it will not bid on a forthcoming NASA contract on a new shuttle booster rocket. The Chicago ...

A new book sheds light on the Space Shuttle Challenger disaster in 1986. At 8.15 a.m. on Jan. 28, 1986, ... On the evening of Jan. 27, engineers from Morton Thiokol, ...

In 1988, Howard Berkes went back to Morton Thiokol to see what lessons were learned from the Challenger explosion, and how the company had changed in response. Berkes Thiokol Safety Report Toggle ...

Morton Thiokol recommends that Challenger not be launched until the temperature of the O-ring seals reaches 53 degrees, which was the lowest O-ring temperature of any previous flight.

A company scientist said Friday that Morton Thiokol asked for data on the seals a few days after Challenger exploded. Morton Thiokol “wanted background information on the O rings,” said the ...

From the archives: NASA's Challenger mistakes 14:30. It was a cold January morning in 1986. ... Boisjoly left Morton Thiokol soon after the accident, and Ebeling retired.

Gerald Mason, 59, who headed Morton Thiokol’s space division in Brigham City, Utah, at the time of the Challenger accident, sent a letter to employees announcing his decision to retire June 30.

Allan McDonald, who directed the booster rocket project at NASA contractor Morton Thiokol, urged delaying the launch of the space shuttle before it exploded in 1986. He has died at age 83.

Roger Boisjoly was a senior engineer at Morton-Thiokol, the manufacturing company that built the solid rocket boosters for the space shuttle. Bob Ebeling was his manager. Advertisement ...

McDonald was a 26-year veteran at Morton Thiokol, the contractor responsible for the shuttle’s booster rockets, when he arrived at the Kennedy Space Center in Florida a few days before Jan. 28 ...

Thirty-four years ago, NASA experienced an in-flight tragedy when the space shuttle Challenger broke apart shortly after launch, killing all seven crew members aboard.