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Galileo was deliberately crashed into Jupiter. Cassini into Saturn. Both destroyed at the height of their success to protect the ocean moons they had...
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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...
In October 1967 the Soviet Union announced that Venera 4 had landed on Venus. It hadn't — the probe was crushed 17 miles up,...
The Soviet Union built armored titanium tanks to survive Venus. The United States never built a lander at all. Every American Venus probe was...
A comet that may be older than the Sun itself just passed through our Solar System — only the third visitor ever confirmed to...
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...
The fastest spacecraft ever launched. A nine-year journey across three billion miles. A world that, for 85 years, had been almost nothing but a...
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...
A jammed antenna. A radiation dose far beyond what it was built to survive. A decade of improvised repairs from hundreds of millions of...