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

    Wild art? No, it’s a radio image of the heart of our Milky Way

    Eyelash-like radio filaments accent the brightest feature in this image — a supermassive black hole.

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  2. Planets

    No, organic molecules alone don’t point to life on Mars

    These carbon-based molecules, found in a meteorite, may reflect merely a mixing of water and minerals on the Red Planet over billions of years.

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  3. Space

    Explainer: Telescopes see light — and sometimes ancient history

    Different kinds of telescopes on Earth and in space help us to see all wavelengths of light. Some can even peer billions of years back in time.

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  4. Space

    The long-awaited James Webb Space Telescope has a big to-do list

    The James Webb Space Telescope has been in the works for so long that new fields of science have emerged for it to study.

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  5. Earth

    Explainer: The age of dinosaurs

    Take a trip back to the Mesozoic Era to explore how geologic events, ecosystems and evolution were connected during the so-called age of dinosaurs.

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  6. Planets

    NASA’s Perseverance rover grabbed its first Martian rocks

    Two finger-sized pieces of stone drilled from a basalt rock are the first bits of Mars ready to be brought to Earth.

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  7. Planets

    Jupiter’s intense auroras heat up its atmosphere

    Jupiter’s hotter-than-expected upper atmosphere may be warmed by charged particles slamming into the air above the poles.

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  8. Earth

    Scientists Say: Anthropocene

    Humans are changing the world in profound ways. Some scientists think those changes have launched a new epoch in Earth’s history: the Anthropocene.

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  9. Space

    Let’s learn about dark matter

    Dark matter is only detectable by the gravitational pull it exerts on visible objects, like stars and galaxies.

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  10. Planets

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

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  11. Plants

    Dinosaur-killing asteroid radically changed Earth’s tropical forests

    The asteroid collision initially reduced the diversity in what had been sunny tropical rainforests. In time, the forests would become permanently darker.

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  12. Space

    Ingenuity helicopter makes history by flying on Mars

    The copter's 40-second-long flight in the Red Planet’s thin air is only the first in a planned series of daring flights.

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