This Just In
US astronaut Edgar Mitchell, one of just 12 people to have walked on the moon, has died.
Explore some of the more unusual pictures of Apollo 14, 45 years after it landed on the moon.
Christa McAuliffe was to be the first teacher in space. Tragically, she died when NASA Space Shuttle Challenger exploded on lift-off. But her legacy lives on. Here are six lessons she planned on teaching while living in microgravity.
The US space agency marked the 30th anniversary Thursday of the explosion of the space shuttle Challenger with a pledge to remember lost astronauts as it presses on toward Mars.
Scholars have known for thousands of years that Earth is round. One rapper thinks they've got it all wrong.
Three decades after NASA's Space Shuttle Challenger exploded shortly after lift-off, we take a look back at that terrible morning in 1986 and its powerful legacy.
The 'plugs-out test' was considered routine and non-hazardous until it claimed the lives of the Apollo 1 crew on Jan 27, 1967.
Twelve years ago to the day, the second of two NASA Mars rovers touched down on the Red Planet to begin an odyssey of science and discovery that is still surpassing all expectations.
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