Imagine a world where forests echoed with the slow, thunderous steps of creatures as large as small cars. Millions of years ...

A recent report estimated that vultures are worth $1.8 billion a year to certain ecosystems in southern Africa. Here's why.

When crossing the Colorado, full of sandbars, the boatman would call out "mark twain" (two feet), grabbing the travelers' attention.

Researchers bombarded these hybrid lifeforms with a year's worth of Martian radiation in just 5 hours — and they survived, ...

Imagine standing on a sun-drenched grassland, the air buzzing with life, when suddenly a chorus of high-pitched chirps erupts ...

From heat to invasive species, hardy heritage animal breeds can handle weather extremes that commercial breeds would be ...

A new study has investigated how the relationship between mean annual precipitation (MAP) and grassland biomass changes when one or more nutrients are added. The authors show that precipitation and ...

The butchered remains of great bustards found in the graves of people buried 15,000 years ago show that these birds had a ...

The animals graze the vegetation into a picturesque turf, fertilize the soil with their dung and disperse seeds over large ...

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.

Some of the most intense battles against the environment are waged by the smallest of creatures. When it’s cold, we, as ...

You can find both venomous and non-venomous snakes in Colorado, each with its own habits and features. Some snakes are shy ...