Volcanic eruptions might have given Earth its first oxygen

A new theory involving volcanoes may partly explain the appearance of the first oxygen on Earth 2.5 billion years ago, researchers say.

Jade Boyd-Rice | Dec. 3, 2019 | futurity
~7 mins   

Tags: science-and-technology alien-life carbon early-earth oceans oxygen tectonics volcanoes

Theory: Odd metallic asteroid spewed molten iron

The density of the metallic asteroid Psyche has mystified scientists, but a new theory points to molton iron as an explanation.

Emil Venere-Purdue | Sept. 17, 2019 | futurity
~3 mins   

Tags: science-and-technology asteroids iron metals space volcanoes

Mass extinction from 260 million years ago brings the total to 6

A previously underestimated extinction event actually reaches the level of one of only six mass extinctions in geologic history, researchers say.

James Devitt-NYU | Sept. 11, 2019 | futurity
~3 mins   

Tags: science-and-technology early-earth extinction volcanoes

Computer models solve magma ‘sweet spot’ mystery

Computer models can explain why the magma chambers that feed many volcanoes' explosive eruptions are found in such a small section of Earth's crust.

Kevin Stacey-Brown | Sept. 5, 2019 | futurity
~4 mins   

Tags: science-and-technology magma volcanoes

Earth’s volcanic ‘hot spots’ are in constant motion

Scientists have long thought of volcanic hot spots as stationary points, but a new study finds they are very much on the move.

Lindsey Valich-Rochester | Aug. 2, 2019 | futurity
~5 mins   

Tags: earth-and-environment hawaii magma plate-tectonics volcanoes

Pressure in ‘plumbing’ could predict when volcanoes will blow

There may be a way for scientists to predict when volcanoes will erupt by closely monitoring pressure changes, researchers say.

Matt Swayne-Penn State | July 29, 2019 | futurity
~5 mins   

Tags: science-and-technology lava natural-disasters volcanoes

Magmas can hold a surprising amount of water

Volatile elements in magma, primarily water, drive explosive volcanic eruptions. Experiments now improve our understanding of how wet magmas can be.

Talia Ogliore-WUSTL | July 5, 2019 | futurity
~4 mins   

Tags: science-and-technology glass magma volcanoes water

Ancient ash is likely behind odd mineral deposit on Mars

A strange mineral deposit in the Nili Fossae region of Mars has puzzled scientists, but there's a new explanation for how it got there.

Kevin Stacey-Brown | May 23, 2019 | futurity
~6 mins   

Tags: science-and-technology mars minerals planets space volcanoes

Ben Franklin was right about Iceland’s Laki volcano

Following the 1783-84 eruption of the Laki volcano on Iceland, Benjamin Franklin speculated on its effects on the climate. A new study shows he was right.

Todd Bates-Rutgers | May 16, 2019 | futurity
~4 mins   

Tags: featured science-and-technology climate-change history iceland volcanoes weather

Microbes near volcanoes help store a whole bunch of CO2

New research shows "a new way that tiny microorganisms can have an outsized impact on a large-scale geological process and the Earth's climate."

Todd Bates-Rutgers | April 25, 2019 | futurity
~3 mins   

Tags: earth-and-environment carbon-dioxide microbes volcanoes

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