Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs ...

Scientists are one step closer to pinpointing fragments of Leonardo da Vinci’s elusive DNA. A team of researchers from the ...

Scientists have recovered a sample of DNA from a Leonardo da Vinci drawing that could belong to the Renaissance polymath.

Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off like temperamental lights.

You’d think that porcupines climbing trees would be visible and therefore well-studied. Roughly the size of housecats with ...

Side-blotched lizards probably don’t call the game that, but they play a version of it anyway. A new study explains the ...

For nearly 40 years, the identity of the person who sexually assaulted and killed a 30-year-old woman found along a quiet stretch of rural highway south of Denver eluded investigators. Now, small ...