Author: contact.geology

Earth’s oldest minerals date onset of plate tectonics to 3.6 billion years ago

Scientists provide new evidence that modern plate tectonics, a defining feature of Earth and its unique ability to support life, emerged roughly 3.6 billion...

Using cell phone GNSS Networks to monitor crustal deformation

The Global Navigation Satellite System associated with a Japanese cell phone carrier can enhance monitoring of crustal deformation changes for earthquake early warning models. A...

How Mars lost its oceans

It has long been known that Mars once had oceans due in part to a protective magnetic field similar to Earth's. However, the magnetic...

Study suggests Earth’s tectonic activity peaked 1.1 billion years ago

A pair of Australian researchers studying rock samples has found evidence to suggest that the Earth’s tectonic plate activity peaked approximately 1.1 billion years...

Scientists find methane in Mars meteorites

An international team of researchers has discovered traces of methane in Martian meteorites, a possible clue in the search for life on the Red...

First humans arrived in North America a lot earlier than believed

The timing of the first entry of humans into North America across the Bering Strait has now been set back 10,000 years. This has been...

Significant solar flare erupts from sun

The sun emitted a significant solar flare on March 30, 2022, peaking at 1:35 p.m. EST. NASA's Solar Dynamics Observatory, which watches the sun...

Periodic volcanism may have triggered multiple Jurassic extinctions

Severe environmental crises led to a series of large-scale extinction events in the Jurassic period 178-186 million years (myr) ago. The turmoil has been...

Dinosaurs ‘already in decline’ before asteroid apocalypse

Dinosaurs were already in an evolutionary decline tens of millions of years before the meteorite impact that finally finished them off, new research has...

Why there is increase in Oklahoma’s earthquakes

In 2015 alone, residents of Oklahoma felt the earth move beneath them a total of 907 times, as an unprecedented number of magnitude three...

Ozone may be heating the planet more than we realize

Ozone may be weakening one of the Earth's most important cooling mechanisms, making it a more significant greenhouse gas than previously thought, research has...

A billion-year history of Earth’s interior shows it’s more mobile than we thought

Deep in the Earth beneath us lie two blobs the size of continents. One is under Africa, the other under the Pacific Ocean. The blobs...

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