The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study. Because inbreeding can negatively impact survival and reproduction, the results could guide ...

Humans generally leave more descendants if they marry someone who is not too closely related. So highly inbred royal families experience many genetic disorders like hemophilia. Inbreeding is connected ...

Sharing the name of a legendary dwarf in J. R. R. Tolkien's classic fantasy novel "The Hobbit," a Neanderthal now known as Thorin wandered the Earth up to 42,000 years ago. Now a new study in the ...