Geochemistry

November 5, 2024
Geochemistry, Geology, Geophysics

Groundbreaking study provides new evidence of when Earth was slushy

At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a slushy planet. Results provide the first...

November 4, 2024
Geochemistry, Geology, Geophysics

New trigger proposed for record-smashing 2022 Tonga eruption

Fifteen minutes before the massive January 2022 eruption of the Hunga Tonga-Hunga Ha’apai volcano, a seismic wave was recorded by two distant seismic stations. The researchers propose that the...

October 31, 2024
Geochemistry, Geology, Geophysics

How life began on earth: modeling Earth’s ancient atmosphere

This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged.

October 22, 2024
Geochemistry, Geology, Geophysics

‘Drowning continent’: Western Australian coastline’s complex history

A study investigating the complex evolution of two iconic Western Australian landmarks, has traced their transformation over thousands of years and offers a glimpse into their future. Researchers collected...

October 21, 2024
Geochemistry, Geology, Geophysics

What happened when a meteorite the size of four Mount Everests hit Earth?

Scientists paint a compelling picture of what happened the day the S2 meteorite crashed into Earth 3.26 billion years ago.

October 21, 2024
Geochemistry, Geology, Geophysics

Weather-changing El Nino oscillation is at least 250 million years old

A new modeling study shows that the El Nino event, a huge blob of warm ocean water in the tropical Pacific Ocean that can change rainfall patterns around the...

October 21, 2024
Geochemistry, Geology, Geophysics

Shaking from April’s sizable New Jersey earthquake traveled strangely far

When a magnitude 4.8 earthquake struck northern New Jersey’s Tewksbury township on April 5, it triggered widespread alarm as the biggest event since 1884. Based on existing models, it...

October 17, 2024
Geochemistry, Geology, Geophysics

Understanding landslides: a new model for predicting motion

Along coastal California, the possibility of earthquakes and landslides are commonly prefaced by the phrase, ‘not if, but when.’ This precarious reality is now a bit more predictable thanks...

October 16, 2024
Geochemistry, Geology, Geophysics

Echoes from the past: A geological mystery unravelled on Easter Island

A mysterious find on Easter Island, investigated by a team of geologists, suggests that the Earth’s mantle seems to behave differently than once thought.

October 10, 2024
Geochemistry, Geology, Geophysics

Lightning strikes kick off a game of electron pinball in space

When lightning cracks on Earth, especially high-energy electrons may fall out of Earth’s inner radiation belt, according to a new study — an electron ‘rain’ that could threaten satellites,...