Scientists once thought Earth’s continental mantle was too weak for earthquakes. A new global map of 459 deep tremors suggests otherwise.
Larissa G. Capella
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Ocean Tunneling May Have Set Off an Ancient Pacific Cooldown
The ocean’s depths cooled off about 1.5 million years ago, and scientists think watery tunnels from the south may be to blame.
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New Satellite Data Reveal a Shift in Earth’s Once-Balanced Energy System
The Northern Hemisphere is absorbing more sunlight than the Southern Hemisphere, and clouds can no longer keep the balance.
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Salt May Be Key to Martian Mudflows
Mars probably has mud volcanoes, and salt might be the ingredient that keeps the flow going.
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Extreme Heat and Rain Turned These Arctic Lakes Brown
Scientists are stunned by the changes in multiple Arctic lakes, all transforming in the same way.
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Tourism and Distant Fires Affect Antarctica’s Black Carbon Levels
Tourism and biomass burning in the Southern Hemisphere are boosting black carbon levels and accelerating ice melt in Antarctica.
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New Map Reveals the Extent of Vegetation in Antarctica
More than 40 square kilometers of vegetation cover Antarctica, including in previously unknown areas. A new map offers fresh insights for conservation amid climate change.