In the plant world, when two different species mate, their offspring often don't survive. The reason lies in their DNA: ...

Termites are the descendants of cockroaches, and have undergone significant genetic change to live in vast colonies where ...

(THE CONVERSATION) People typically think about evolution as a linear process where, within a species, the classic adage of “survival of the fittest” is constantly at play. New DNA mutations arise and ...

As a group, carriers of recessive disorders are slightly less healthy and have a reduced chance of having offspring. This disadvantage is greatest for carriers of a recessive gene for intellectual ...

When mammals have offspring, both in the wild and in captivity, new life is celebrated. This is especially true for species ...

Researchers discovered hybrid combinations capable of overcoming hybrid lethality and producing numerous offspring using ...