NASA observed its annual Day of Remembrance Thursday to commemorate the astronauts killed in the Apollo 1 and space shuttle Challenger and space shuttle Columbia accidents.

On the annual Day of Remembrance, "Apollo 1," a film that highlights a NASA tragedy during the race to the moon, was showcased.

The Space Shuttle Challenger Memorial is seen during a wreath laying ceremony that was part of NASA’s Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.

NASA held its annual Day of Remembrance on Thursday to honor those who lost their lives in the pursuit of space exploration.

At NASA's Day of Remembrance, Christa McAuliffe, the Teacher in Space, and the other six members of the Challenger crew were honored for their bravery. Read more about the Artemis missions and the future of space exploration.

NASA will observe its annual Day of Remembrance on Thursday, Jan. 22, which includes commemorating the crews of Apollo 1 and the space shuttles Challenger and Columbia. The event is traditionally held every year on the fourth Thursday of January,

A candle lighting and wreath placement at Marshall Space Flight Center is among the events set for Thursday.

The 40th anniversary of the Challenger disaster cast a shadow over NASA's annual Day of Remembrance event inside the Space Shuttle Atlantis building.

NASA remembrance day commemorates the astronauts who died in the Challenger, Columbia and Apollo One tragedies

Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago.

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.