Seven astronauts lost their lives during the Challenger space shuttle disaster on Jan. 28, 1986. Four decades later, human spaceflight remains a difficult business.

On January 28, 1986, the space shuttle Challenger broke apart just over a minute after liftoff, killing all seven astronauts on board and halting NASA’s

Forty years later, the memories of the Challenger explosion resonate deeply with students and teachers who witnessed it.

Wednesday marks a somber anniversary in American history. 40 years ago, seven astronauts were killed when Space Shuttle Challenger exploded during liftoff.

40 years ago on Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in Florida

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of space exploration, but was marred by two tragic accidents during the shuttle era.

On a cold, sunny morning in Florida, after several scrubs due to weather, the launch was a highly-anticipated event.

A Tyler doctor’s photo landed him in the history books when he captured one of our nation’s tragedies.