Fossils of extinct giant cloud rats found in the Philippines cosmosmagazine.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cosmosmagazine.com Daily Mail and Mail on Sunday newspapers.
Space-Junk Sleuths Scramble to Collect Debris from Falling Falcon 9 Rocket
A SpaceX Falcon 9 rocket lifts off from Kennedy Space Center on Thursday, March 4, 2021. The rocket is carrying a batch of 60 Starlink satellites. (Craig Bailey/Florida Today via AP)
22 Apr 2021
People across the Pacific Northwest were awed on the evening of March 25 by an otherworldly formation of fireballs that streaked across the heavens, causing a social media sensation. Astronomers promptly demystified it as debris from a falling SpaceX Falcon 9 rocket.
Though such wayward rockets generally burn up in the atmosphere, this time substantial chunks fell to earth in Eastern Washington. At least one came uncomfortably close to hitting people.
Great dying extinction was 10 times longer on land than in oceans nydailynews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nydailynews.com Daily Mail and Mail on Sunday newspapers.
An illustration shows Lystrosaurus during the end-Permian mass extinction. (Credit: Gina Viglietti)
(CN) Some 250 million years ago, Earth’s warming climate and extreme volcanic activity caused most animal species to go extinct, an event now known as the End-Permian Extinction which eventually ushered in the early days of the dinosaurs.
To study trends in how the mass extinction happened, researchers looked at the difference between terrestrial and marine die-offs. They found that, on land, the process took 10 times as long as it did in the ocean.
“The focus for studying terrestrial extinction has basically been, ‘Can we match up the pattern in the terrestrial realm with what’s observed in oceans?’ And the answer is, ‘Not really, ” said Ken Angielczyk, the paper’s senior author and curator of vertebrate paleontology at Chicago’s Field Museum, in remarks released along with the research.
The worst mass extinction event in the history of the Earth, 252 million years ago, took ten times longer on land than it did in the water, according to a new study.
Known as the End-Permian mass extinction or The Great Dying , it saw as much as 97 per cent of species that leave a fossil record disappear forever.
Chicago s Field Museum scientists studied fossils of 588 animals alive towards the end of the mass extinction in what is now South Africa s Karoo Basin.
The extinction was the result of massive volcanic eruptions that caused catastrophic climate change, killing off the vast majority of animal species on the Earth.