Jan. 23, marks a day of remembrance for NASA and the Astronauts Memorial Foundation. The solemn ceremony pays tribute to the lives lost in three of the most tragic moments in NASA's history.

"We must honor their sacrifice by fortifying our commitment to safety and excellence as new generations of space explorers, follow their footsteps." ...

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

NASA observed its annual Day of Rembrance today honoring those who lost their lives in the pursuit of space exploration.

For many years NASA and Roscosmos, the Russian space agency, were the only spacefaring entities in the world. The Chinese ...

NASA's Day of Remembrance honours astronauts who died during Apollo 1, Space Shuttle Challenger, and Space Shuttle Columbia ...

NASA sets aside a poignant moment to reflect on those who made the ultimate sacrifice in the name of exploration. This year’s ...