People too young to remember the Challenger explosion said they paid little attention to the space program.

It was hiding from problems that led to the 1986 Challenger explosion, in which six astronauts and a high school teacher died.

They spoke of the 1986 Challenger explosion and its painful aftermath only when pressed.

The Challenger explosion in 1986 ended the myth of low-risk flight.

The transformative moment of my young life was the Challenger explosion.

We went with a technology so primitive that only a miracle prevented us from having more Challenger explosions.

It was to have been buried on top of debris from the 1986 Challenger explosion.

The escape of such gases was blamed for the Challenger explosion.

What could he do to prevent the Challenger explosion back here in 1963?

So was the Arab oil embargo and the Challenger explosion.