Morton Thiokol Inc., which once defended its diverse operations as ”a portfolio of businesses,” plans to separate itself into two businesses in a tax-free spinoff to shareholders. The spinoff ...

Morton Thiokol traces its involvement with air bags to the 1960s, long before it got into rockets. The company does not make the bag but rather the inflator, or gas generator, ...

Morton Thiokol spokesmen would not comment Friday. A NASA spokesman said that according to design specifications, the seals should have withstood the cold before launch.

Morton Thiokol had even established an investigative team in the fall of 1985 to look into the O-ring problem. Boisjoly is still on the Morton Thiokol payroll but he is not working, he said in a ...

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.

Morton Thiokol shed some $200 million in market value on the day. Over the next several months—before the release of the commission report that singled out Morton Thiokol for blame—the other ...

Boisjoly left Morton Thiokol soon after the accident, and Ebeling retired. Both were diagnosed with post-traumatic stress disorder. Boisjoly died in 2012.

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 ...

Allan J. McDonald in 2015. An engineer at Morton Thiokol, the contractor responsible for the space shuttle Challenger’s booster rockets, he expressed concern about the rockets’ safety before ...

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 ...