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

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

Christa McAuliffe was to be the first civilian in space, but on January 28, 1986, Space Shuttle Challenger exploded, killing everyone aboard. In memory of the first Teacher-In Space, here are some ...

From the world watching in horror as the Challenger space shuttle exploded to the Chernobyl nuclear disaster that upended millions of lives, 1986 was a year for the history books. But it wasn’t all ...

Christa McAuliffe was to be the first civilian in space, but on January 28, 1986, Space Shuttle Challenger exploded, killing everyone aboard. In memory of the first Teacher-In Space, here are some ...