Search Results for: Geology

Open the calendar Use the arrow keys to select a date

Can’t find what you’re looking for? Visit our FAQ page.

7,847 results

7,847 results for: Geology

  1. Space

    50 years ago, scientists found a lunar rock nearly as old as the moon

    Studies of such rocks continue to reveal secrets about the moon’s history.

    By
  2. Planetary Science

    Saturn’s ‘Death Star’ moon might contain a hidden ocean

    A fresh look at Cassini data reveals slight changes in the tiny moon’s orbit that suggest the presence of a vast ocean beneath the satellite’s icy shell.

    By
  3. Earth

    Where are U.S. earthquakes most likely? A new map shows the hazard risks

    Updates to the National Seismic Hazard Model have elevated the average ground shaking hazard across the country.

    By
  4. Materials Science

    A materials scientist seeks to extract lithium from untapped sources

    Lithium is an essential ingredient for batteries in electric vehicles but getting enough will become a problem.

    By
  5. Life

    Mega El Niños kicked off the world’s worst mass extinction

    Long-lasting, widespread heat and weather extremes may have caused the Great Dying extinction event 252 million years ago.

    By
  6. Planetary Science

    An asteroid may have exploded over Antarctica about 2.5 million years ago

    Tiny spherules of rock found in Antarctic ice may point to the oldest known “airburst,” or midair disintegration of an incoming asteroid.

    By
  7. Earth

    An ancient earthquake changed the course of the Ganges River

    Flooding from a similar earthquake today could threaten about 170 million people in India and Bangladesh who live in low-lying regions nearby.

    By
  8. Climate

    Canada’s Crawford Lake could mark the beginning of the Anthropocene

    The mud of a Canadian lake holds an extremely precise record of humans’ influence on Earth. But the Anthropocene isn’t an official geologic epoch yet.

    By
  9. Earth

    Freshwater first appeared on Earth 4 billion years ago, ancient crystals hint

    Oxygen ratios in ancient zircon crystals suggest that the planet’s water cycle got started hundreds of millions of years earlier than thought.

    By
  10. Readers discuss quantum gravity and more

    By
  11. Planetary Science

    Pluto’s heart-shaped basin might not hide an ocean after all

    Planetary scientists propose an alternative theory to explain why Sputnik Planitia has stayed put across Pluto’s equator.

    By
  12. Climate

    Why Hurricane Helene was so devastating

    The tempest caused record-breaking storm surge on the coast and widespread and deadly flooding and debris flows in the Appalachian Mountains.

    By