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 and Tufts 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 4

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

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
            shadow

            Chemicals on mineral surfaces may have jumpstarted life

            Posted on November 5, 2020October 24, 2022 by Sciworthy

            Were metabolic pathways established before life emerged? New experiments observe life-like patterns self-propagating on #mineral surfaces.…

              Read More
              shadow

              Could “Fools’ Gold” have helped build the first proteins?

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

              How and why humans exist are questions that have challenged different cultures ever since the dawn of civilization. Many scientists have…

                Read More
                shadow

                What the ruby slippers from The Wizard of Oz can teach us about conservation

                Posted on January 15, 2019June 25, 2025 by Sciworthy

                Scientists use advanced lab techniques to examine every detail of the ruby slippers to understand what they are made of, the age of the…

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

                  New Video – Aerogels for Oil Spills

                  https://sciworthy.com/wp-content/uploads/2025/08/Sciworthy-Aerogel-for-Oil-Spills.mp4

                  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

                  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

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