The Apollo astronauts brought nearly 400 kilograms of moon rock back to Earth. These samples are a treasure trove for science, because they show not only how the moon developed, but the entire solar system.
The '69 moon landing was science-free. Until someone said, "they'd better have something to do." So they studied rocks.
It was an American mission to land on the moon. But it would have been impossible without the rest of the world. The Apollo program relied on a global network of tracking stations and their engineers.
In 1969, Neil Armstrong became the first human to walk on the moon. Those first steps were preceded by a fast-paced technological race between the Soviet Union and the USA. Here's how it all started.
The Osiris-Rex will orbit Bennu and hopefully retrieve samples to bring back to Earth in 2023. The asteroid is one of the oldest that NASA has discovered and could hold clues about the origins of our solar system.
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