If you've ever been frying up some juicy burgers and become worried at the sight of red liquid, don't worry, it's not blood.

Red-blooded genealogists take note: The discovery in microbes of two oxygen-packing proteins, the earliest known ancestors to hemoglobin, brings scientists closer to identifying the earliest life ...

The blood protein hemoglobin and its relative, myoglobin, carry and store life-giving oxygen in many animals. Researchers long thought these complex proteins, with their unique fold, were the only two ...

CORRECTION: This story was updated on Sept. 13, 2013, to correct errors: The computers used by Kendrew’s and Perutz’ teams were one-off machines built at the University of Cambridge, called EDSAC-1 ...

HOUSTON -- (Sept. 25, 2015) -- The ultra-stable properties of the proteins that allow deep-diving whales to remain active while holding their breath for up to two hours could help Rice University ...