The prolonged stay, while not deadly, could have a major impact on their bodies. Astronauts have spent long stretches in space before. Last March, NASA astronaut Frank Rubio returned from space ...

The NASA report found the astronauts knew for about 40 seconds that they did not have control of the shuttle before they likely were knocked unconscious as Columbia broke apart around them.

NASA marked the 20th anniversary of the space shuttle Columbia tragedy with somber ceremonies and remembrances during its annual tribute to fallen astronauts on Thursday. More than 100 people ...

WASHINGTON (CNN) --A mountain peak in Colorado has been named Columbia Point in memory of the seven astronauts who died in February's shuttle disaster. NASA Administrator Sean O'Keefe and U.S ...

This too is not sufficient, however, as most of the astronauts eventually experience weight fluctuation and have difficulty adjusting to the effects on their bodies from space. Blood ...