But now the amphibian, described by one researcher as a "living fossil", is facing severe threats from factors including climate change and pollution. :: This Earth The frog can grow over to 11 inches ...

Amphibians are cold-blooded animals that can live both in the water and on land. When we think of amphibians, frogs and toads instantly jump to mind. Usually, we think of frogs as being quite small.

Crayfish frog, Lithobates areolatus, a large frog of the central and southern United States, that spends most of its life in the burrows of large crayfishes.© Mike Redmer/Shutterstock.com Crawfish ...

Even though spring is here, and days are getting longer, now that daylight savings has come and gone, I get to commute to work in the dark again. This has its pros and cons, but one exciting thing is ...