Recently identified subspecies ranges farther than first imagined: across Africa.
An archaeologist ponders the fate of Hoover Dam
Two years after its big quake, Christchurch is still trembling.
The saw-whet owl, among the smallest owls in North America, once thought a year-round resident of northern territories, now migrates as far south as Virginia.
The migrations of Pacific predators resemble those of African wildlife.
The sale of endangered wildlife products is a travesty, but not every rhino horn is what it seems.
Handmade textiles not only represent an ancient tradition, but remain a part of everyday life in many Andean cultures.
Wind and currents determine where debris from the Japanese catastrophe has floated.
One hundred years ago, the search began for a mysterious Arctic territory.
The rewards of sharing pictures
Elephant populations continue to dwindle in Tanzania.
With proper safeguards, water currents can be harnessed out of sight.
Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.
Vulnerable everywhere in the wild, lions already face regional extinction.