The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Add Yahoo as a preferred source to see more of our stories on Google. The Sun's distance from Earth allows it to be habitable for life. DrPixel/Moment via Getty Images A popular model of evolution ...

A new study has found that nearly half of the body traits identified across mollusks – a group that includes snails, clams, ...

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 ...

Evolution and geologic history reveal how life and Earth have changed over time. The National Academies explore fossil records, genetic evidence, and natural processes that shape our planet.

Geodynamics : the unanswered questions / A.L. Hales -- A global geochemical model for the evolution of the mantle / D.L. Anderson -- Temperature profiles in the earth / O.L. Anderson -- The structure, ...

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 ...

A new study shows cultural evolution helped humans expand across Earth far faster than genetic change alone could achieve.