U.S. health officials, following recommendations by infectious disease experts, have been urging annual COVID-19 boosters for all Americans ages 6 months and older.

For National Geographic, Tracy Rudolph Jackson is the executive producer; Janet Han Vissering is senior vp, production; ...

Tiny, feathered, and fatally toxic, these birds prove danger can come in beautiful packages.When we think of poison in the ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of ...