Space
Verified records of space exploration, astronomical discoveries, and developments in space technology. This category documents factual events involving missions, satellites, planetary science, and observations of the universe without interpretation or opinion.
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How Scientists Could Deflect an Asteroid
NASA and ESA track near-Earth objects, calculate impact risks and are testing ways to alter the…
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1868: Helium Is Discovered in the Sun
During a total solar eclipse over India, an unexplained yellow line in sunlight helped reveal an…
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Earth’s Magnetic Shield Is Constantly Changing
Generated deep inside the planet, Earth’s magnetic field helps protect the atmosphere and life from charged…
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1960: Joseph Kittinger Leaps From the Stratosphere
From 102,800 feet above New Mexico, an Air Force test pilot stepped into near-space conditions to…
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1977: The Wow! Signal Is Detected
On August 15, 1977, an Ohio radio telescope recorded an extraordinary 72-second signal from the direction…
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2012: Curiosity Lands on Mars
On August 5, 2012, NASA’s Curiosity rover touched down inside Gale Crater using the revolutionary sky…
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1971: Apollo 15 Lunar Rover Makes Its Debut
The first Lunar Roving Vehicle transformed human exploration of the Moon, allowing astronauts to travel farther,…
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1958: NASA Is Born
President Dwight D. Eisenhower signed the National Aeronautics and Space Act on July 29, 1958, creating…
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Inside the Billion-Dollar Search for Alien Life
Governments and private donors are spending billions to study distant planets, Mars, and ocean worlds, but…
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1995: Hale–Bopp Comet Discovered
The independent discovery of Comet Hale–Bopp by two amateur astronomers led to one of the most…
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1969: Apollo 11 Lands on the Moon
On July 20, 1969, Apollo 11 achieved humanity’s first successful Moon landing, marking a historic milestone…
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1975: Apollo-Soyuz Unites Rivals
On July 17, 1975, American and Soviet spacecraft docked in orbit for the first time, transforming…