Researchers collected images of 445 different species and the data could redefine how some animals are classified.

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.

"The more we know about Earth's icy environments, the better we will be able to understand the other environments," said ...

We might have big brains and fancy gadgets, but some animals are wired with senses straight out of a sci-fi script. We're ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries. Celebrate Earth Day all month long with ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.