7,844 results
7,844 results for: Geology
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
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- 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.
- 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.
- Science & Society
These are Science News’ favorite books of 2024
Books about killer asteroids, human consciousness, nuclear weapons and the collapse of the Late Bronze Age were among our top reads this year.
- Earth
In 2018, Hawaii’s Kilauea volcano erupted like a stomp rocket
The stomp rocket–like mechanism is a newly observed type of eruption.
- Archaeology
A new study challenges the idea that Rapa Nui islanders caused an ‘ecocide’
Rapa Niu islanders farmed and fished enough to feed only a few thousand people, too few to decimate society before Europeans arrived, researchers contend.
