Timeline of the evolutionary history of life - Wikipedia
The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia.
Earliest known life forms - Wikipedia
The earliest known life forms on Earth may be as old as 4.1 billion years (or Ga) according to biologically fractionated graphite inside a single zircon grain in the Jack Hills range of Australia. [2]
History of life - Wikipedia
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day.
What Was the First Life on Earth? - Live Science
Mar 1, 2017 · The earliest evidence for life on Earth arises among the oldest rocks still preserved on the planet, dating back some 4 billion years.
The origin of life on Earth, explained - University of Chicago News
Sep 19, 2022 · Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 billion years old.
Early Life on Earth – Animal Origins - History of Life on Earth
Oct 31, 2024 · Learn what fossil evidence reveals about the origins of the first life on Earth, from bacteria to animals, including the phyla we know today.
Evolution and the history of life on Earth - Encyclopedia Britannica
Jan 12, 2025 · The evidence is overwhelming that all life on Earth has evolved from common ancestors in an unbroken chain since its origin. Darwin’s principle of evolution is summarized by the following facts.
Timeline of the evolution of life on Earth - New Scientist
Jul 14, 2009 · The story of evolution spans over 3 billion years and shows how microscopic single-celled organisms transformed Earth and gave rise to complex organisms like animals
Scientists Reveal How They Identified The Ancestor of All Life on Earth
Aug 16, 2024 · The earliest fossil evidence we have for life is around 3.4 billion years old. Some studies push back Luca's age close to the birth of Earth , 4.5 billion years ago . Others think this is impossible because of the time it would take to establish the …
Unlocking the Secrets of LUCA, Earth’s Earliest Life Form
Jul 16, 2024 · Through genetic analysis and evolutionary modeling, researchers pinpointed LUCA’s existence to about 4.2 billion years ago, revealing it as a complex organism with an early immune system integral to Earth’s earliest ecosystems.