Aerospace & Defense
A crew on the Moon is roughly three days from Earth and can abort home. A crew bound for Mars is seven to nine...
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A crew on the Moon is roughly three days from Earth and can abort home. A crew bound for Mars is seven to nine...
Earth takes 365 days to orbit the Sun and Mars takes about 687, so the two planets line up for an efficient transfer only...
Rather than build a new spacecraft, ESA reused the Mars Express bus and spare scientific instruments left over from Mars Express and Rosetta. Venus...
Most people associate Apollo exclusively with the Moon, which makes sense, given that Apollo only ever went there. But after the lunar landing, NASA...
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...
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,...