Whether it’s a tiny snail or a massive whale, most living organisms rely on blood flowing through their bodies to stay alive. This precious fluid fights infection, delivers nutrients and gases to ...

Transfusions have become an important part of veterinary medicine, but cat and dog blood is not always easy to come by. Jolie, a blood donor, giving blood at a DoveLewis Blood Bank in Portland, Ore., ...

A combination of blood stem cell and pancreatic islet cell transplant from an immunologically mismatched donor completely ...

Mosquitoes are swarming back into Central Texas after recent storms soaked the region, leaving behind sticky humidity and pockets of standing water — perfect breeding grounds for the pesky insects.

Scientists are working to grow the rarest blood type in the world in a lab, an effort that could have huge ramifications for ...

Soon after SARS-CoV-2 began its assault on the world, scientists began searching for clues about what, if any, factors made people more or less likely to get infected with the virus, and more or less ...