Oct. 27, 2020 Hurricanes, the United States' deadliest and most destructive weather disasters, are notoriously difficult to predict. With the average storm intensity as well as the proportion of storms that ...
Oct. 27, 2020 Some of the largest birds in history, called pelagornithids, arose a few million years after the mass extinction that killed off the dinosaurs and patrolled the oceans with giant wingspans for some ...
Oct. 27, 2020 Big tidal ranges some 400 million years ago may have initiated the evolution of bony fish and land vertebrates. This theory is now supported by researchers who, for the first time, have used ...
Oct. 23, 2020 A 14,000-year paleoecological reconstruction of the sub-Antarctic islands has found that seabird establishment occurred during a period of regional cooling 5,000 years ago. Their populations, in ...
Oct. 23, 2020 There is much debate surrounding the age of the Clovis -- a prehistoric culture named for stone tools found near Clovis, New Mexico in the early 1930s -- who once occupied North America during the ...
Oct. 22, 2020 Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to fly, only managing to glide clumsily between the trees where they lived, researchers report. Unable to compete with ...
Oct. 21, 2020 Geological investigations of low-temperature young deposits on the Styrian Erzberg provide paleoclimatology with new data on the Earth's history and its ...
Oct. 20, 2020 A paleoseismic trench dug across the Gales Creek fault, located about 35 kilometers (roughly 22 miles) west of Portland, Oregon, documents evidence for three surface-rupturing earthquakes that took ...
Oct. 19, 2020 252 million years ago, at the transition from the Permian to the Triassic epoch, most of the life forms existing on Earth became extinct. Using latest analytical methods and detailed model ...
Oct. 16, 2020 The fossilized remains of ancient deep-sea corals may act as time machines providing new insights into the effect the ocean has on rising CO2 ...
Oct. 16, 2020 Mammals and birds today are warm-blooded, and this is often taken as the reason for their great ...
Oct. 16, 2020 A new study makes clear the extraordinary speed and scale of increases in energy use, economic productivity and global population that have pushed the Earth towards a new geological epoch, known as ...
Oct. 15, 2020 Of the six or more different species of early humans, all belonging to the genus Homo, only we Homo sapiens have managed to survive. Now, a study combining climate modeling and the fossil record in ...
Oct. 14, 2020 A new species of small pterosaur - similar in size to a turkey - has been discovered, which is unlike any other pterosaur seen before due to its long slender toothless ...
Oct. 14, 2020 Hungry giant predators, treacherous mud and a tired, probably cranky toddler -- more than 10,000 years ago, that was the stuff of every parent's nightmare. Evidence of that type of frightening ...
Oct. 12, 2020 Pioneering analysis of 200 million-year-old teeth belonging to the earliest mammals suggests they functioned like their cold-blooded counterparts - reptiles, leading less active but much longer ...
Oct. 8, 2020 An international research team has examined four newly found specimens of the Mysteriomorphidae beetle using computer tomography and has been able to reconstruct them. The results allow to draw ...
Oct. 7, 2020 Researchers have discovered that Southeast Asia, today renowned for its lush rainforests, was at various points in the past covered by sweeping grasslands. The expansion and reduction of these ...
Oct. 6, 2020 A newly discovered species of toothless, two-fingered dinosaur has shed light on how a group of parrot-like animals thrived more than 68 million years ...
Oct. 6, 2020 A statistical analysis of that vast database is helping scientists better understand the evolution of these cold-blooded vertebrates by contradicting a widely held theory that major transitions in ...
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