Earth
A rainforest once grew near the South Pole
A forest flourished within 1,000 kilometers of the South Pole. That was a while ago, as in millions of years ago.
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.
More Stories in HS-ESS1-6
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PlanetsGlass 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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SpaceExplainer: 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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EarthExplainer: Understanding geologic time
Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.
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PlanetsAsteroids 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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PlanetsJupiter 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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PlanetsJupiter 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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PlanetsHow 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.