Every organism has its own family tree. And like any family tree, an organism’s family tree is more interesting if it’s both complete and richly detailed. That is, each member of the family tree ...

Talk about extended family: A single-celled organism in Norway has been called "mankind's furthest relative." It is so far removed from the organisms we know that researchers claim it belongs to a new ...

It's not every day that biologists announce an entirely new branch of life, and this one has been hiding under their noses for years. It was discovered hiding in a lab sample of marine ciliates ...

The tree of life has three branches: archaea, bacteria, and eukaryotes. Eukaryotes include complex organisms, including plants, animals, and fungi. Eukaryotic cells contain many organelles, little ...

The full family tree of the species known as social amoebas has been plotted for the first time – a breakthrough which will provide important clues to the evolution of life on earth. Researchers, ...

Researchers describe cell-in-cell phenomena in which one cell engulfs and sometimes consumes another. The study shows that cases of this behavior, including cell cannibalism, are widespread across the ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers uncover gene clues that reveal how life evolved before Earth’s first universal ancestor. (CREDIT: Wikimedia / CC BY-SA ...

Scientists have sequenced the genome of the Great Basin bristlecone pine, the oldest known individual non-clonal organism on ...

I chose the word heartwood for the title of my book because it carries two meanings. First, the heartwood is the centermost part of a tree. Paradoxically, it’s filled with dying cells that support the ...

Much more difficult is learning to connect different types of stimuli or events, and predicting that one is linked to another. Such associative learning was most famously demonstrated when Ivan Pavlov ...

A team of scientists, led by the University of Sheffield in the UK and Boston College in the U.S., has found a microfossil in the Scottish Highlands which contains two distinct cell types and could be ...