Massive volcanic events in Earth's history that released large amounts of carbon into the atmosphere frequently correlate with periods of severe environmental change and mass extinctions. A new method to estimate how much ...
Earth Sciences
Feb 29, 2024
0
177
Our Earth is around 4.5 billion years old. Way back in its earliest years, vast oceans dominated. There were frequent volcanic eruptions and, because there was no free oxygen in the atmosphere, there was no ozone layer. It ...
Planetary Sciences
Feb 25, 2024
0
60
In the three years since NASA's Perseverance rover touched down on Mars, the NASA science team has made the daily task of investigating the red planet seem almost mundane.
Astrobiology
Feb 22, 2024
0
93
The Australian continent is now geologically stable. But volcanic rocks, lava flows and a contemporary landscape dotted with extinct volcanoes show this wasn't always the case.
Evolution
Feb 21, 2024
0
83
NASA finally has counted up all the asteroid samples returned by a spacecraft last fall—and it's double the rubble return goal.
Space Exploration
Feb 16, 2024
3
200
A new study published in the journal PLOS ONE explores the weight great fossil sites have on our understanding of evolutionary relationships between fossil groups—the lagerstätten effect—and for the first time, has quantified ...
Evolution
Feb 14, 2024
0
304
An unmanned lunar spacecraft has captured and transmitted data analyzing 10 lunar rocks, a greater-than-expected achievement that could help provide clues about the origin of the moon, a Japan space agency official said Wednesday.
Space Exploration
Feb 14, 2024
1
142
Earth is a stressed planet. As plates move, magma rises, and glaciers melt—just to mention a few scenarios—rocks are subject to varying pressure and compressional and extensional forces. The effect of these stresses on ...
Earth Sciences
Feb 6, 2024
0
1
Rocks once buried deep in ancient subduction zones—where tectonic plates collide—could help scientists make better predictions of how these zones behave during the years between major earthquakes, according to a research ...
Earth Sciences
Feb 2, 2024
0
67
A study led by scientists at the University of São Paulo (USP) in Brazil has shown that the Rio Grande Rise (RGR), a possibly continental basaltic plateau and chain of seamounts now submerged in the South Atlantic Ocean ...
Earth Sciences
Feb 1, 2024
0
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