Authorities are actively looking for any information that can help locate Jessica Marrero, 14, and ensure her safe return

By Yann Tessier LONDON (Reuters) -Hundreds of thousands of demonstrators rallied in cities in Europe, the Middle East and Asia

President Joe Biden warned China that the US would be forced to intervene if Beijing attacks Philippine vessels

UK retail sales tumbled more than expected as unusually warm weather deterred shoppers from spending on clothes for

Diana Taurasi is an icon in the world of hoops, and the perennial All-Star known as the “White Mamba” added another milestone to her illustrious WNBA career on Thursday night

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Ohio Secretary of State Frank LaRose on Monday formally entered the state's Republican primary to take on Democratic Sen. Sherrod Brown next year.

WASHINGTON The United States has imposed visa restrictions on Uganda officials after the African nation passed an anti-LGBTQ

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Scientists have been left baffled by the discovery of the wreck of a 2,000-year-old “computer” that is amazingly complex. The Antikythera mechanism – an astronomical calendar – has been dubbed “‘the first computer” and has baffled scientists for generations after it was first discovered inside a Greek shipwreck in 1901. The device is a hand-powered time-keeping instrument that used a wing-up system to track the sun, moon and planets’ celestial time. It also worked as a calendar, tracking the phases of the Moon and the timing of eclipses. Despite sounding relatively simple, the mechanism was actually ahead of its time, being more technically sophisticated than any other tool that was invented over the next 1,000 years. In its current condition, the mechanism is in 82 separate fragments with only a third of its original structure remaining, including 30 corroded bronze gearwheels. Sign up to our free Indy100 weekly newsletter Research into the device from experts at University College London involved 3D computer modelling and helped them solve the mystery of how the device worked, revealing a “creation of genius”. Adam Wojcik, a materials scientist at UCL said at the time: “We believe that our reconstruction fits all the evidence that scientists have gleaned from the extant remains to date.” They theorised that the device tracked the movement of the sun, moon and planets on concentric rings, as the ancient Greeks believed that the sun and planets revolved around Earth, rather than the sun. The researchers explained in Scientific Reports: “Solving this complex 3D puzzle reveals a creation of genius—combining cycles from Babylonian astronomy, mathematics from Plato’s Academy and ancient Greek astronomical theories.” Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.