Skip to content
  • About Us
  • Write for Us
  • Contact
  • Donate
  • People
  • Newsletter
  • Sciworthy’s Professor Partnership Program
    • About the Program
    • All PPP Articles
    • Emmanuel College
    • New Mexico Tech
    • Raritan Valley CC Biology
    • RWU Cancer Biology
    • St. Lawrence Neuroscience
    • Trinity Geology
    • University of Delaware
Skip to content

Sciworthy

  • Home
  • Read by Big Question
    • How do computers learn?
    • How do scientists study drugs and vaccines?
    • How do we treat infectious diseases?
    • What is the status of cancer research?
    • What new treatments are there for neurodegenerative diseases?
    • What do we know about mental health?
    • What is the biological basis of aging?
    • How do we educate our kids?
    • How do we feed people now and in the future?
    • What effects do different foods have on our bodies and health?
    • What new technology is coming around the corner?
    • How does technology impact our daily lives?
    • What might life look like elsewhere in the Universe?
    • How could humans travel in space?
    • What is out in space?
    • What happened in Earth’s past?
    • What is going on with the Earth’s climate?
    • How do microbes respond to changes in their surroundings?
    • How can microbes clean up the environment?
  • Read by Topic
    • Agriculture
    • Archaeology
    • Astrobiology & Space Science
    • Astronomy
    • Biology
    • Chemistry
    • Computer Science
    • Earth Systems
    • Ecology
    • Education
    • Engineering
    • Environment
    • Food Science
    • Geography
    • Machine learning and AI
    • Medicine
    • Microbiology
    • Neuroscience
    • Oceanography
    • Paleobiology
    • Physics
    • Psychology
    • Space
    • Sustainability
    • Technology
    • The Force
  • Take Our Courses

Sciworthy

The Encyclopedia of Science's Frontier

Home » Big Questions » What happened in Earth’s past? » Page 3

Category: What happened in Earth’s past?

What was the Earth like a long time ago? What have archaeologists found? What was it like before life started? How did life come to be?
shadow

A detailed look at a rare meteorite

Posted on January 10, 2022June 25, 2025 by Sciworthy

A carbonaceous meteorite that fell in Costa Rica holds organic compounds that are preserved from the earliest stages of our solar system,…

    Read More
    shadow

    Building the molecules of life in the lab

    Posted on January 3, 2022June 24, 2025 by Gina Misra

    The hyperbranched polymer scaffold could have been the early primitive base for the emergence of life. @t_z_jia @CerberaOdollam…

      Read More
      shadow

      Searching for the first light of fireflies

      Posted on October 18, 2021June 24, 2025 by Sciworthy

      Fireflies are bioluminescent, which means they glow. But were they always that way? Why do they glow? Scientists used genetics tools to find…

        Read More
        shadow

        Intelligent life might be rare

        Posted on September 17, 2021October 24, 2022 by Sciworthy

        How hard is it for evolution to produce intelligent life like humans? We don't really know, but some computational modelers tried to answer…

          Read More
          shadow

          The shape of the continents is not a coincidence

          Posted on September 13, 2021June 24, 2025 by Sciworthy

          Biological processes might have led to greater continental crust coverage than would be expected on a planet without life.

            Read More
            shadow

            Could impact from asteroids eventually create life?

            Posted on July 13, 2021June 24, 2025 by Sciworthy

            Astrobiologists have discovered a possible new pathway for the prebiotic self-assembly of biologically important molecules by replicating…

              Read More
              shadow

              What the velociraptor’s brain tells us about its diet

              Posted on April 30, 2021June 24, 2025 by Sciworthy

              The brain of one of popular culture’s most infamous dinosaurs helps to clarify its diet and hearing range.

                Read More
                shadow

                Giant dinosaur tracks found in a cave in France

                Posted on March 15, 2021June 25, 2025 by Gina Misra

                Sauropods were previously thought to have had their heyday in the Late Jurassic period. Recent fossil evidence says it was probably much…

                  Read More
                  shadow

                  This fossil is the last common ancestor of worms

                  Posted on February 15, 2021June 13, 2025 by Sciworthy

                  When did simple life become more complex, such as the modern animals we see today? A recent study may have uncovered evidence for one of…

                    Read More
                    shadow

                    How water shaped the Earth

                    Posted on November 21, 2020October 24, 2022 by Sciworthy

                    Water has molded our planet into what it is today, in ways you may not have imagined! #water #waterislife

                      Read More
                      • 1
                      • 2
                      • 3
                      • 4
                      Youtube Bluesky Facebook Instagram Twitter TikTok

                      Help us help you!

                      We want to know how Sciworthy can better serve our readers. Take our 5-minute survey and tell us your thoughts!

                      Take the Survey

                      What’s New in Space Science?

                      Artist's impression of the planetary system around the red dwarf Gliese 581. Credit: ESO

                      Unlock Your Potential!

                      Unlock Your Potential!
                      shadow
                      shadow
                      shadow

                      Sciworthy’s content is Creative Commons, No Derivatives, With Attribution. Read more about the license here.