The bird flu virus remains a wild card that continues to threaten U.S. poultry and egg supplies while upping the ante with risk to human health.

Discover fertility options for people with cystic fibrosis. Learn about pregnancy risks, genetic counseling, and reproductive ...

Komodo dragons, the largest lizards, are apex predators native to Indonesian islands, known for their venomous bite and ...

Think penguins only belong in icy Antarctica? Think again—these tuxedoed birds thrive on sun-soaked beaches, and I just met ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. As you fall asleep each night, you can take comfort in knowing you are never trul ...

For decades, donated eggs or sperm have been the mainstay of infertility treatments, leaving many hopeful parents without a ...

The shape and configuration of a human face are much more variable, compared with other body parts, the study found. What's more, genes that have been linked to face structure vary more than DNA ...

Known as the Badlands Guardian, it was first identified in November 2006 by Lynn Hickox, who spotted it near the town of ...