Scientists have proposed a new theory about the formation of Yosemite Valley. (Image credit: Yiming Chen/Getty Images) A bold new hypothesis suggests that Yosemite Valley was formed by an ancient volcano and a vanished river that long ago ceased to…
Two studies show significant progress in photonic microchips. (Image credit: 3dartists via Shutterstock) Electronic microchips are the backbone of the modern world. They are present in our laptops, mobile phones, cars and home appliances. Over the years, manufacturers have strived…
(Image credit: Dragon Claws via Getty Images) Since the dawn of computing, people have drawn parallels between machines and the brain. This statement also applies to two of the founders of computing: John von Neumann, who wrote a paper called…
From left to right: Saturn, Uranus, and Jupiter present their rings to various NASA spacecraft. The ability to observe planetary rings from Earth depends on their composition. (Image credit: NASA; NASA, ESA, CSA, STScI. Image processing: J. DePasquale (STScI); NASA,…
NASA has found evidence of Martian water leaking into space, but new research suggests it may also have gone deep underground. (Image courtesy of NASA Goddard) Seismic data suggests there may be a hidden ocean of liquid water beneath the…
SpaceX launched a new batch of Starlink satellites into low Earth orbit from the east coast of Florida early Tuesday morning. The Falcon 9 rocket lifted off from NASA’s Kennedy Space Center at 1:02 a.m. ET. The mission’s goal was…
NASA will host a livestream on Twitch on Tuesday to engage “creators from around the world” of all ages in designing a plush mascot to symbolize weightlessness as astronauts on the Artemis II mission fly around the moon next year.…
French leader Napoleon Bonaparte commissioned this magnificently decorated sword in 1802 and presented it to his close friend shortly before his historic defeat at the Battle of Waterloo in 1815. GiquelloThe hilt of Napoleon’s sword is decorated with intricate elements…
This image of the spiral galaxy Arp 184/NGC 1961 was taken by the Hubble Space Telescope. (Image credit: ESA/Hubble & NASA, J. Dalcanton, RJ Foley (UC Santa Cruz), C. Kilpatrick) What is it: Arp 184 (NGC 1961) Location: 190 million…
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