Origin and evolution of life

Scientists have engineered a bacterium that uses a pair of nucleotide bases not found, and that have been added to its DNA 'alphabet.'

Researchers discover a "simple and elegant mechanism" that regulates relationships between insects and bacteria.

In a few drops of seawater, one species, hundreds of subpopulations

A new NASA study has shown that vitamin B3 could have formed in space and then delivered to the ancient Earth in carbon-rich meteorites.

Symbiosis between beewolves and their protective bacteria originated millions of years ago

Scientists have synthesized a functional chromosome in yeast.

In models of the Ancient ocean, modern cellular processes occurred spontaneously

A new study describes how electrical energy naturally produced at the sea floor might have given rise to life.

Researchers have found rare fossilized embryos from the Cambrian period. Their methods of study may help with future interpretation of evolutionary history.

New research indicates that primitive daddy longlegs had two pairs of eyes, adding significant details to the evolutionary story of this diverse and highly successful group.