As a researcher, I still remember the discomfort I felt every time I had to sacrifice laboratory animals for an experiment.

The use of animals in research came about as scientists tried to understand the disease process and find ways of treating or curing diseases. While this gave rise to the medications we have today, ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange ...

Scientists in Japan have created hybrid plant-animal cells, essentially making animal cells that can gain energy from sunlight like plants. The breakthrough could have major benefits for growing ...