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This Day in History
Jimmy Hoffa disappears, 1975
On July 31, 1975, James Riddle Hoffa, one of the most influential American labor leaders of the 20th century, disappears in Detroit, Michigan, never to be heard…
On the 50th anniversary of the first live transatlantic television feed beamed by Telstar, revisit the historic broadcast of July 23, 1962.
On the anniversary of Skylab’s plunge to Earth on July 11, 1979, discover how the world celebrated, feared and commercialized the spectacular event.
As new research casts doubt on a leading theory about how the moon came into being, explore various lunar formation models.
The solar storm that hit Earth last Thursday delivered only a glancing blow, but in 1859 the planet wasn’t so lucky.
On the 50th anniversary of this historic space flight, here are some facts you might not know about the first American to orbit the Earth.
Find out about the Apollo 1 disaster and how the American space program rebounded from the tragedy to put a human on the moon.
On November 14, 1971, NASA’s Mariner 9 reached Mars, becoming the first spacecraft to orbit another planet.
Edwin Hubble didn’t censor proof that Georges Lemaître beat him to an astronomical breakthrough, evidence suggests.
NASA telescopes have shed light on how the traces of an exploded star traveled faster and further than expected.
From Amelia Earhart’s scarf to part of a 16th-century warship, explore historic items that hitched a ride into the final frontier on the space shuttle.
As the countdown to the final space shuttle launch begins, explore some of the program’s most unforgettable moments.
Astronauts evacuated the International Space Station on Tuesday during a close encounter with space debris, part of the swirl of trash circling the planet.
Fifty years ago today, Alan Shepard became the first American and the second person to fly into space.