Climate change and asteroids are linked with animal origin and extinction -- and plate tectonics also seems to play a key evolutionary role, 'groundbreaking' new fossil research reveals. The discovery ...

To better understand the circadian clock in modern-day cyanobacteria, a research team has studied ancient timekeeping systems. They examined the oscillation of the clock proteins KaiA, KaiB, and KaiC ...

There are roughly a trillion species of microorganisms on Earth—the vast majority of which are bacteria. Bacteria consist of a single cell. They do not have bones and are not like big animals that ...

Ben Woodcroft receives funding from the ARC. Adrián A. Davín does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has ...

National Research Council (U.S.) Board on Earth Sciences and Resources "The hominin fossil record documents a history of critical evolutionary events that have ultimately shaped and defined what it ...

Add Yahoo as a preferred source to see more of our stories on Google. The multibillion-year story of life on Earth is defined by a handful of epochal transformations, such as the emergence of the cell ...

The multibillion-year story of life on Earth is defined by a handful of epochal transformations, such as the emergence of the cell, the rise of multicellular organisms and the biosphere’s expansion ...