NASA's Mars Odyssey spacecraft began mapping the surface of Mars
The probe discovered vast amounts of hydrogen just below the Martian surface, indicating frozen water. It has become NASA's longest-serving Mars space...
Significant events that happened on this day.
The probe discovered vast amounts of hydrogen just below the Martian surface, indicating frozen water. It has become NASA's longest-serving Mars space...
Despite losing this initial encounter, Deep Blue would get its revenge in 1997, becoming the first computer to defeat a reigning world champion in a m...
Mir remained in orbit for 15 years, far exceeding its planned 5-year lifespan. It hosted international astronauts and cosmonauts from 12 different cou...
Schroeder lived 620 days with the Jarvik-7 artificial heart, longer than any previous recipient. He had to remain tethered to a 375-pound external air...
Fred Rogers' gentle approach to children's television would continue for 33 years and 895 episodes. He famously testified before Congress in 1969 to s...
Scrabble had been sold in North America since 1948 but took years to cross the Atlantic. Within a year, it became a British sensation. The game's inve...
This order forcibly relocated over 120,000 Japanese Americans to internment camps during World War II. Two-thirds were American citizens. In 1988, the...
Arthur Wynne, a journalist from Liverpool, created what he called a 'word-cross puzzle.' The name was accidentally reversed to 'cross-word' and stuck....
Edison's invention used tinfoil wrapped around a cylinder and could only play recordings a few times before they wore out. His first recorded words we...
As part of the treaty, the Dutch gave up their colony of New Amsterdam to the English. The English renamed it New York after the Duke of York. In exch...
His revolutionary heliocentric model challenged over a thousand years of astronomical orthodoxy. Published just before his death in 1543, his work lai...