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In the summer of 1979 the United States dropped a 77-ton space station out of the sky and could not say where it would...
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In the summer of 1979 the United States dropped a 77-ton space station out of the sky and could not say where it would...
The first spacecraft to land safely on Mars was Soviet, not American, and it did not survive. In December 1971 the Mars 3 lander...
When Hubble reached orbit in 1990, it carried what was called the most perfectly polished mirror humans had ever made — and it was...
She was told women could not be scientists. She became NASA's first Chief of Astronomy and the "Mother of Hubble." On August 30, NASA...
Once every 176 years, the four giant planets line up so a single spacecraft can slingshot from one to the next in a single...
Galileo was deliberately crashed into Jupiter. Cassini into Saturn. Both destroyed at the height of their success to protect the ocean moons they had...
It weighed barely 570 pounds and ran on plutonium. Its electronics were 1970s vintage. And in September 1979, after six years and billions of...
The fastest object humanity has ever built, moving at 430,000 miles per hour. A region of space millions of degrees hot. A 4.5-inch slab...
It traveled 416 million miles to reach Mars. Then it flew too low into the atmosphere and was torn apart in minutes. The Mars...
Twenty years in space. Thirteen years orbiting Saturn. More than 450,000 images. And then, on September 15, 2017, NASA deliberately flew the Cassini spacecraft...