A pair of canines found in Siberian permafrost were wolf sisters that died shortly after eating.

Researchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter ...

Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

Space weather experts warn that a "moderate" geomagnetic storm could rock Earth over the weekend, potentially lighting the ...

Breathing patterns among humans are so unique that they can work as an identification tool, scientists report. They propose ...

A legal scholar with a doctorate in wildlife genetics explains the promise biotechnology techniques hold for some animals ...

Low iron levels can flip the genetic switch on a mouse's sex during development, causing XY embryos to grow female features.

The Zanj, enslaved people largely from Africa, rebelled at the same time they were ordered to build a massive system of ...

In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...

A new proof-of-concept study explored the feasibility of tracking the evolution of superbug infections in real time to help ...

Researchers have found that ocean acidification entered a "danger zone" in 2020, suggesting increased carbon dioxide levels have caused Earth to breach another planetary boundary.