Research has previously assumed that animals and plants developed different genetic programs for cell death. Now scientists have shown that parts of the genetic programs that determine programmed cell ...

Chloroplasts, the parts of cells that allow plants and algae to photosynthesize, are thought to have originated more than 1 billion years ago, when photosynthetic cyanobacteria lived symbiotically ...

More than a billion years ago a hungry cell devoured a tiny blue-green alga. But instead of the former simply digesting the latter, the duo struck a remarkable evolutionary deal. Now scientists are ...

While humans can regularly replace certain cells, like those in our blood and gut, we cannot naturally regrow most other parts of the body. For example, when the tiny sensory hair cells in our inner ...

Scientists found a previously unrecognized organelle in fruit flies, a thoroughly studied organism. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...