NASA honored its fallen space explorers during its annual "Day of Remembrance" on Thursday (Jan. 23). The agency held events ...

An annual memorial was held at the Kennedy Space Center Visitor Complex. Every fourth Thursday in January, NASA remembers fallen astronauts.

NASA's fallen astronauts: a photo memorial — New NASA video honors fallen astronauts of Apollo 1, Challenger and Columbia — Space shuttle Columbia: NASA's first shuttle in space NASA holds its ...

New Hampshire teacher Christa McAuliffe and other astronauts were honored Thursday by NASA during its Day of Remembrance.

We’ve come years in our journey to explore the unknown, but none of that would be possible without those who made the ultimate sacrifice towards the exploration.

We've come years in our journey to explore the unknown, but none of that would be possible without those who made the ultimate sacrifice towards the exploration.

New Hampshire teacher Christa McAuliffe and other astronauts were honored Thursday by NASA during its Day of Remembrance.

The names of all fallen astronauts were read one by one, followed by the ringing of a bell after each name. Apollo 1. Challenger. Columbia. Every January, NASA remembers its fallen heroes during ...

Today is a very special, and somber day for North Alabama. It's NASA Marshall Space Flight Center's Day of Remembrance.

The Apollo I and space shuttle Challenger and Columbia astronauts were remembered during an annual ceremony at Kennedy Space ...

Day of Remembrance honors fallen astronauts with ceremonies nationwide, including wreath-laying at Arlington National Cemetery led by Jim Free and events at various NASA centers.