An animal’s ability to adapt to its environment is clearly key to its survival, but does that ability come at a physiological cost? A clever experiment with laboratory zebrafish and their wild relatives suggests it does.
Inbred birds don’t live as long and have fewer offspring than non-inbred birds. Inbreeding is equally harmful regardless of where the birds live.
The passenger pigeon was once among the most numerous species on earth. The last passenger pigeon died in the Cinncinati Zoo just over 100 years ago. How did it all go so wrong?
A group of researchers spent twelve seasons making some house sparrows bigger and others smaller. Their experiment yielded some important answers.
Advances in our understanding of the developmental history of plants is turning botanical gardens worldwide on end.
Have you had sex and then regretted it or felt rejected? You aren’t alone, and nothing’s wrong with you, either.
With the help of 58,046 fruit flies, scientists in Florida and Norway have shed light on a question that biologists have puzzled over for the last 100 years.