A fossil that has puzzled scientists for over 150 years is possibly the largest scorpion known to exist. At about one meter long, the roughly 415-million-year-old Praearcturus gig ...
"These findings," writes a team led by deep-sea scientist Xiaotong Peng of the Chinese Academy of Sciences, "reshape the ...
Researchers have wondered whether Praearcturus gigas was a giant crustacean called an isopod or some other creature. A new ...
An artist's impression of Praearcturus gigas. (Franz Anthony) If you were wandering around Earth's floodplains 415 million years ago, you wouldn't have come across any other mammals – but you would ...
An unexpected giant in a barren world The remarkable scale of Praearcturus gigas surprises scientists because of the era in ...
The venom of a scorpion sting can cause a range of symptoms, from mild pain and swelling at the site of the sting to more serious reactions such as muscle twitching, convulsions, difficulty breathing, ...