As anticipation mounts over the Artemis II launch, some Americans are feeling anxious due to the Challenger disaster from decades ago.

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief on Jan. 28, 1986, when the space shuttle exploded during a live broadcast.

NASA's Artemis II mission launched on April 1, marking the first U.S. space excursion of its kind since the 1970s. The 10-day mission will test life support systems during a flyby of the moon but will ...