HS-ESS1-6

Apply scientific reasoning and evidence from ancient Earth materials, meteorites, and other planetary surfaces to construct an account of Earth's formation and early history.

  1. Planets

    Glass beads help scientists puzzle out how baby planets grow

    Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.

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  2. Space

    Explainer: Understanding meteors and meteor showers

    Meteors regularly enter Earth’s atmosphere. Most ‘shooting stars’ pose few risks to life on the ground, but the rare big ones can be lethal.

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  3. Earth

    Explainer: Understanding geologic time

    Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.

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  4. Planets

    Asteroids may have delivered water to early Earth

    Scientists shot mineral pellets at a simulated planet. It showed an impact wouldn’t have boiled off all of an asteroid’s water.

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  5. Planets

    Jupiter may be the solar system’s oldest planet

    Jupiter’s early existence may explain the odd arrangement of planets in the solar system, a new study suggests.

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  6. Planets

    Jupiter gets surprisingly complex new portrait

    NASA’s Juno spacecraft has sent back unexpected details about Jupiter, giving scientists their first close-up of this gas giant.

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  7. Planets

    How Earth got its moon

    How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.

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  8. Space

    Cool Jobs: Probing Pluto

    The New Horizons mission captivated the world as it flew by Pluto. Here are some of the people who made that possible.

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  9. Earth

    Oxygen-rich air emerged super early, new data show

    Scientists had thought animals were slow to emerge because they would have needed oxygen-rich air to breathe. A new study finds that plentiful oxygen may have developed early. So animals may have been late on the scene for another reason.

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  10. Earth

    Cool Jobs: Mapping the unknown

    Scientists find different ways of exploring places humans will never visit — and drawing maps to help us better understand such mysterious places.

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  11. Fossils

    Clues to the Great Dying

    Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.

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  12. Space

    Pollution may give ‘first’ stars a youthful look

    The oldest stars should be made of only light elements. But these suns may have sucked up heavier elements, giving them a more youthful appearance, a new study finds.

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