Juno probe takes detailed photo of Jupiter’s moon, Europa

1/5 This image of the surface of Europa was taken during the Juno probe’s flyby on Thursday. Image courtesy of NASA Sept. 30 (UPI) — NASA’s Juno space probe captured detailed images during a close flyby of Europa, Jupiter’s largest moon. The probe came within 219 miles of the ice-covered celestial body, one of the … Read more

What caused holes in Sue the T. rex’s jawbone? Scientists are stumped

WASHINGTON, Oct 1 (Reuters) – Sue, the biggest and best preserved Tyrannosaurus rex ever unearthed, no doubt was a fearsome beast when this predator prowled what is now South Dakota about 67 million years ago at the twilight of the age of dinosaurs. But even this huge dinosaur, whose fossils are displayed at the Field … Read more

What’s the fastest airborne animal?

The cheetah is well-known for being the fastest creature on land, but the animal kingdom is not limited to Earth‘s surface. What is the fastest flying animal? And what biological features enable its speed? Nature’s swiftest jet-setter is the peregrine falcon (Falco peregrinus). “Peregrinus” is the Latin word for “traveler,” a fitting moniker given that … Read more

Ancient solar eclipse records reveal changes in Earth’s rotation

Records of eclipses observed around 1,500 years ago have revealed the history of Earth’s rotation and how our planet’s movement has changed through recent human history. Researchers searched through records from the Byzantine Empire  — the eastern half of the Roman Empire that continued on after the fall of the Western Roman Empire — from  … Read more

Analysis of asteroid reveals unexpected evidence of mini-ocean — and carbonation

Asteroids are many things — dinosaur killers, archives of the earliest days of the solar system, targets for planetary defense — but they’re not supposed to be water worlds. Right? Well, at least not these days. But in the earliest days of the Solar System’s formation, Ryugu—the diamond-shaped target of the Japan Aerospace Exploration Agency … Read more

Advanced AI discovers a treasure trove of gravitational lenses

Advanced artificial intelligence has identified thousands of possible “gravitational lenses” — warps in space-time predicted by Albert Einstein — promising to enhance our understanding of dark matter and the evolution of galaxies. Einstein realized that mass warps space, and massive galaxies and galaxy clusters can distort space around them to such a degree that they … Read more