How disease, warming waters, and ravenous sea urchins combined to kill the kelp and close the red abalone fishery

Animals that seek mates and fight rivals that resemble parents could eventually set stage for new species

Members of one octopus species take variations in skin texture to a whole new level

Eight species of nematode discovered in the lake's harsh conditions

The findings showed that of nearly 3 billion birds lost, 90 percent belong to 12 bird families, including sparrows, warblers, finches, and swallows—common, widespread species

While simple prokaryotic bacteria formed within the first billion years of the Earth, the origin of eurkaryotes, the first cells with nuclei, took much longer.

An international consortium of scientists and conservationists just completed a procedure that could enable assisted reproduction techniques to save this endangered species

Ancient DNA is a challenging medium because it's in the process of degradation

More than 2,500 reef systems across 44 countries were analyzed

Freshwater megafauna include all freshwater animals that weigh 30 kilograms or more, such as species of river dolphins, beavers, crocodiles, giant turtles, and sturgeons