Ever wondered why we humans don't have spots or stripes? Well, maybe you haven't, but it is interesting that so many creatures are multicolored but we are not.
One common misconception people have regarding evolution is that the gradual changing of physical forms always benefits the species in question.
Humans may be evolving toward having less than thirty-two teeth.
Turning blue in the face is easier said than done.
Scientists have found that some urinary tract bacteria use a hair‑like fiber to avoid being flushed out.
Suppose your ancestors had lived in darkness for almost a million years. This is the world of the Mexican blind cavefish.
When losing is winning in the complicated social world of baboons.
How is it that whales are able to withstand the extreme pressures of the ocean's depths?
The bizarre story of how dung beetles bring the next generation into the world.
While there's still no evidence that life evolved on Mars, we now know that it at least could have.