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The earliest known ancestors of opossums appeared more than 65 million years ago. (Photo: Leonid Korchenko/Getty Images) With their beady eyes, large ears, sleek tails, and short, stocky legs, opossums are the defining characteristics of marsupials. Despite their unusual appearance,…
Wolves are helping trees regenerate in Yellowstone and the largest interstellar object ever recorded. (Image credit: William Campbell/Sygma via Getty Images/Darryl Seligman et al.) Jump to: Science news this week informs us that the interstellar object passing through our solar…
Dinosaur Ridge in Colorado is a famous fossil site famous for its dinosaur tracks. (Image courtesy of Milehightraveler via Getty Images) About 100 million years ago, male dinosaurs would gather in a “mating arena” in Colorado and perform dances to…
Researchers analyzed DNA from more than 1,000 people around the world to study human genomic variations in detail. (Image credit: Boris Zhitkov via Getty Images) Twenty-two years after the completion of the Human Genome Project, scientists have produced the most…
Researchers have found a significant number of whale bones on Vilcheka Island, located in the far north of Russia. (Photo: Nikita Demidov, AARI, Alexander Ermolov) Scientists have discovered that a glacier in the Russian Arctic is retreating at an astonishing…
A new study suggests that giant terror birds could have become prey if they weren’t careful around bodies of water. (Photo: Julian Bayona Becerra/Biology Letters) Fossilised bite marks suggest there may have been a spectacular fight between a giant terror…
It was not obvious why the woman and her partner were unable to become parents, but a series of allergy tests pointed to a possible cause. (Image credit: SEBASTIAN KAULITZKI/SCIENCE PHOTO LIBRARY via Getty Images) Patient: 29-year-old woman from Lithuania.…
A non-hormonal birth control pill for men that aims to block spermatogenesis is in early clinical trials. (Image credit: Wavebreakmedia via Getty Images) An experimental non-hormonal birth control pill for men has just completed its first safety trials in humans.…
A very recent study suggests that Mollisonia symmetrica, an early ancestor of arachnids and horseshoe crabs, had a “primitive” brain similar to those of modern spiders. (Photo: Nick Strausfeld) A new study has shown that a unique fossilized brain suggests…