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  2. Earliest known life forms - Wikipedia

    en.wikipedia.org/wiki/Earliest_known_life_forms

    The earliest direct known life on Earth are stromatolite fossils which have been found in 3.480-billion-year-old geyserite uncovered in the Dresser Formation of the Pilbara Craton of Western Australia. [4] Various microfossils of microorganisms have been found in 3.4 Ga rocks, including 3.465-billion-year-old Apex chert rocks from the same ...

  3. Lucy (Australopithecus) - Wikipedia

    en.wikipedia.org/wiki/Lucy_(Australopithecus)

    Lucy Catalog no. AL 288-1 Common name Lucy Species Australopithecus afarensis Age 3.2 million years Place discovered Afar Depression, Ethiopia Date discovered November 24, 1974 ; 49 years ago (1974-11-24) Discovered by Donald Johanson Maurice Taieb Yves Coppens Tom Gray AL 288-1, commonly known as Lucy or Dinkʼinesh, is a collection of several hundred pieces of fossilized bone comprising 40 ...

  4. Archean - Wikipedia

    en.wikipedia.org/wiki/Archean

    Archean stromatolites are the first direct fossil traces of life on Earth. The earliest identifiable fossils consist of stromatolites, which are microbial mats formed in shallow water by cyanobacteria. The earliest stromatolites are found in 3.48 billion-year-old sandstone discovered in Western Australia. [43] [44] Stromatolites are found ...

  5. Fossilized trees dating back 390 million years are world’s oldest

    www.aol.com/fossilized-trees-dating-back-390...

    Scientists working in southwest England have found the oldest fossilized forest known on Earth, according to a new study. Dating back 390 million years, the fossils break the record held by a ...

  6. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    539 Ma – present. The Phanerozoic Eon (Greek: period of well-displayed life) marks the appearance in the fossil record of abundant, shell-forming and/or trace-making organisms. It is subdivided into three eras, the Paleozoic, Mesozoic and Cenozoic, with major mass extinctions at division points.

  7. Scientists in Argentina unearth oldest tadpole fossil ever ...

    www.aol.com/scientists-argentina-unearth-oldest...

    Ashlyn Messier. November 15, 2024 at 12:34 PM. A tadpole fossil found in Argentina, dating back at least 161 million years, is the oldest that has ever been discovered. The fossil was found back ...

  8. List of first human settlements - Wikipedia

    en.wikipedia.org/wiki/List_of_first_human...

    List of first human settlements. This is a list of dates associated with the prehistoric peopling of the world (first known presence of Homo sapiens). The list is divided into four categories, Middle Paleolithic (before 50,000 years ago), Upper Paleolithic (50,000 to 12,500 years ago), Holocene (12,500 to 500 years ago) and Modern (Age of Sail ...

  9. Ediacaran biota - Wikipedia

    en.wikipedia.org/wiki/Ediacaran_biota

    The Ediacaran (/ ˌiːdiˈækərən /; formerly Vendian) biota is a taxonomic period classification that consists of all life forms that were present on Earth during the Ediacaran Period (c. 635–538.8 Mya). These were enigmatic tubular and frond-shaped, mostly sessile, organisms. [1][2] Trace fossils of these organisms have been found ...