Studying pulsing Cepheid stars offers a cosmic yardstick by which to measure the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Sea turtles return to the same nesting sites year after year to grow their populations, but rising global temperatures have disrupted this ancient cycle. New research has found that two sea turtle ...

Ecologists in Australia set traps in trees and caught dozens of “unexpected” creatures, revealing a new type of behavior, an organization said. Photo from Georgina Anderson / Australian Wildlife ...