While PETA has fought for actions like these for decades, they’ve yet to comment on the animal-friendly moves.

Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is ...

Instead, blood appears to have been cobbled together from recycled and upgraded genetic machinery inherited from ...

Blood cells carry a deep evolutionary history. A new analysis suggests their earliest ancestors were macrophage-like cells inherited from single-celled life.

Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

The U. S. Environmental Protection Agency announced Tuesday that it is expanding its list of approved alternatives to animal ...

Neuroscientists argue that discontinuing in vivo models before using them to fix historical sex inequities in research risks ...

Researchers at Columbia University’s Sadelain lab and University Hospital Tubingen used CRISPR gene editing to knock out the ...

The team examined several parts of pigeons' bodies, including the eyes, beak, brain, spleen, and liver.

Following the U.S., Europe has also announced a roadmap to phase out animal testing. The global momentum to reduce or ...

R3 Bio wants to grow human bodies without brains, which could replace lab animals in drug research and one day supply organs ...