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Rather than build a new spacecraft, ESA reused the Mars Express bus and spare scientific instruments left over from Mars Express and Rosetta. Venus...
Surface pressure on Venus runs about ninety times Earth's, equivalent to diving three thousand feet into the ocean, at an average surface temperature of...
Everything astronomers can see directly — stars, planets, gas, dust, people — accounts for about five percent of the universe. Roughly 27 percent is...
The Falcon 9 upper stage that launched Firefly's Blue Ghost and ispace's Resilience in January 2025 had no propellant left for a disposal burn....
Kosmos 482 lifted off from Baikonur on 31 March 1972, bound for Venus as the sister craft to Venera 8. It reached parking orbit,...
In December 1984 the Soviet Union launched Vega 2 on an unusual double mission: fly past Halley's Comet, then plunge into Venus, a world...
NASA's Perseverance rover has found complex, ring-shaped carbon molecules sealed inside rocks in Mars's Jezero Crater, a basin that billions of years ago held...
Saturn's moon Titan looks uncannily like Earth: clouds, rain, rivers, lakes, seas, coastlines, dunes, and seasons. Then you learn the rain is liquid methane,...
From three miles away, the first thing to reach the press site was light. Then the sound arrived as force, shaking tripods and cracking...