The 12-foot bird roamed the country for 4,000 years until they became extinct about 600 years ago, mainly because of overhunting.

Using a technique called synchrotron X-ray tomography to image growth rings in fossilized tooth roots, the researchers were able to estimate lifespans, growth rates, and even the timing of sexual ...

Is choosing a baby name on your to-do list? Take your time. Choosing a name for a brand-new human is a big deal, and with over 5,000 first names in use in the U.S. alone, it’s not that easy. Luckily, ...