What caused the mass extinction of Earth's first animals? | Feifei Zhang

Image from the American Museum of Natural History June 27, 2018 (TechXplore) -- Fossil records tell us that the first macroscopic animals appeared on Earth about 575 million years ago. Twenty-four mi ...

A study led by PNNL shows that hurricanes intensify more quickly now than they did 30 years ago. Hurricanes like Irma (center), and Jose (right) are examples of these types of hurricanes. Hurricane K ...

An AWI scientist is preparing an Arctic sea-ice core for a microplastic analysis in a lab at the AWI Helgoland. Credit: Alfred-Wegener-Institut/Tristan Vankann April 24, 2018 (Phys.org) -- Experts at ...

Sedimentary rocks at Meishan, China. These rocks contain signatures of a disturbance in the carbon cycle immediately preceding Earth's greatest mass extinction. Credit: Shuzhong Shen Sept. 20, 2017 ( ...

Fossils by Heartless Machine. In the jungles of Costa Rica, where humidity routinely tops 90 percent, simply moving around outside when it’s over 105 degrees Fahrenheit would be lethal. And the effec ...

Tardigrade. Source: BBC July 14, 2017 (Phys.org) -- The world's most indestructible species, the tardigrade, an eight-legged micro-animal, also known as the water bear, will survive until the Sun die ...