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. Space

    Mysteries about the universe abound, from its beginning to its end

    Scientists have a good understanding of the laws that make our universe tick. But they still don’t quite know how it began — or will end.

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  2. Space

    It all started with the Big Bang — and then what happened?

    Scientists explain what really puzzles them about how our universe became what it is today — and what its future may hold.

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  3. Tech

    NASA’s DART spacecraft crashed into an asteroid — on purpose

    This mission could provide a blueprint for how to deflect a killer asteroid, if one is ever found headed for Earth.

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  4. Earth

    Not one, but two asteroids might have ended the age of dinosaurs 

     A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.

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  5. Space

    Let’s learn about gravitational waves

    Gravitational waves offer scientists a new way to view extreme objects such as black holes and neutron stars.

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  6. Space

    My 10 years on Mars: NASA’s Curiosity rover describes its adventure

    Did life evolve on Mars? NASA’s Curiosity rover spent the last 10 years trying to answer that question. Here’s the story from the rover’s point of view.

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  7. Materials Science

    Let’s learn about diamond

    Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.

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  8. Space

    Ancient volcanoes may have left ice at the moon’s poles

    Volcanic eruptions billions of years ago may have produced several temporary atmospheres on the moon that held water vapor.

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  9. Planets

    The InSight lander has caught a large ‘earthquake’ on Mars

    This magnitude 5 quake is offering scientists a peek at what’s going on beneath the Martian surface.

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  10. Earth

    Tiny gemstones show when Earth’s crust first started moving

    Chemical hints observed in zircons suggest when the important process of plate tectonics first took off.

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  11. Planets

    Mercury’s surface may be studded with diamonds

    Billions of years of meteorite impacts may have transformed much of Mercury's graphite crust into precious gemstones.

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  12. Planets

    Let’s learn about Pluto

    Once known as a pipsqueak planet, Pluto is now the solar system’s best known dwarf planet.

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