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NASA's path back to Mars in the 1990s was also its strangest. Instead of firing thrusters to set the spacecraft down gently, engineers wrapped...
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NASA's path back to Mars in the 1990s was also its strangest. Instead of firing thrusters to set the spacecraft down gently, engineers wrapped...
Alpha Centauri sits roughly 4.37 light-years from Earth, making it the closest star system to our own. In astronomical terms, it may seem like...
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...
Humanity has landed in the outer solar system exactly once: on Saturn's moon Titan, in January 2005, when a European probe named Huygens parachuted...
When Hubble reached orbit in 1990, it carried what was called the most perfectly polished mirror humans had ever made — and it was...
The first living creature ever to orbit the Earth was a frightened Moscow stray named Laika, sent into space in 1957 inside a craft...
America won the Moon race in 1969, then mothballed the rockets that got it there, leaving only disassembled Saturn Vs in museums. Now it...
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...