The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New Mexico. ......

The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New Mexico. ......

The Sacramento Mountains checkerspot butterfly is critically endangered, with the last known larva living in a lab in New Mexico.

By Christine Heinrichs The sea otter pup was tiny, probably less than 2 weeks old, alone in Morro Bay on an October morning earlier this year. A...

Nov. 22, 1963 was an unusually warm day in Pittsburgh. My mother, who had just learned she was pregnant with me, took advantage of the weather to wash...

Nov. 22, 1963 was an unusually warm day in Pittsburgh. My mother, who had just learned she was pregnant with me, took advantage of the weather to wash...

Dr Anjani Ganase, coral reef ecologist, urges everyone to visit the reefs of Tobago Visit ten coral reefs in 2026. This is the challenge to know your...

On the relatively remote Japanese islands of Amami Ōshima and Tokunoshima, hops a very unusual bunny. The Amami rabbit (Pentalagus furnessi), a...

On the relatively remote Japanese islands of Amami Ōshima and Tokunoshima, hops a very unusual bunny. The Amami rabbit (Pentalagus furnessi), a...

We are wired to find faces everywhere, and this instinct reveals how our perception and our environment can influence each other. Imagine that you...