For many years, scientists wondered what factors influence the sex...

A new study published in the journal Canine Medicine and...

A set of footprints found in 1976 in Laetoli, Tanzania...

The human brain consumes vastly more energy than other organs....

Even if no two branches are alike in nature, differing...

The iconic and saddening image of a suffering seabird with...

New research shows that wolves living in Norway and Sweden...

The extinct Haast’s eagle or harpagornis (Hieraaetus moorei) is the...

Giant kelp (Macrocystis pyrifera) is a species of large brown...

Food availability for ocean predators, in general, is rather low....

Killer whales are opportunistic predators that hunt a variety of...