For decades, an imperiled rodent was thought to exist only in a tiny pocket of sandhills in Henry Cowell State Park in Santa Cruz County – and nowhere else on Earth. But scientists have spotted new ...

An intriguing native Australian rat-kangaroo, thought to be probably extinct, may still be running around in the inhospitable remote Sturt Stony Desert -- and researchers have discovered new details ...

It was a race against nightfall. As he hurried across the sandy, bristling landscape of California’s Carrizo Plain, ecologist Ian Axsom stopped every 10 yards to place an aluminum live trap on the ...

The animal in question hadn't been seen in the area in more than 75 years and was listed as a "critically imperiled subspecies." When a photo of a burrow-dwelling critter with an unusually long tail ...