In the U.S., bird flu headlines have focused on an unprecedented number of American cases and the impact of the virus on dairy cows and on poultry ...

Technically, your heart isn’t made of gold. And don't wear it in on your sleeve—you’ll make a mess. Here are 11 scientific ...

W e revealed major news last week as the largest continental mammal resurfaced more than 100 years later. The South American ...

While most fish reproduce by laying eggs, some species are live-bearing, or viviparous, and carry their offspring internally.