The Last Drop of Water in Broken Hill
Earth Science:In the Australian outback, the future of drought has come early.
How Water, Paradoxically, Creates the Land We Walk On
It’s no secret that water shapes the world around us. Rivers etch great canyons into the Earth’s surface, while glaciers reorganize the topography of entire mountain ranges. But water’s influence on the landscape runs much deeper than this: Water explains why we have land in the first place. You might think of land as the […]
The Sinkhole Hunters
Earth Science:In sprawling Florida, one group of geologists is never short on business.
The Genetics of the Earth and Moon
Imagine that two very similar-looking neighbors undergo a genetic test. The exam shows that the pair’s genetic fingerprints are virtually identical. They feel a flash of shock and excitement. What does this mean? Could they be long-lost twins, separated in a hospital mixup? The Earth and Moon share a similar issue, one that poses a […]
In Search of Life’s Smoking Gun
Earth Science:A journey to the underwater volcanoes where life may have erupted.
Why Aliens and Volcanoes Go Together
Earth Science:Life on other planets may rely on plate tectonics.
Sparkly Mints May Help Explain Puzzling “Earthquake Lights”
Agriculture inspector Jim Conacher photographed these earthquake lights over Tagish Lake, in Canada’s Yukon Territory, in 1972Jim Conacher For centuries, people have been reporting mysterious lights along the ground and in the sky soon before an earthquake hits. But it wasn’t until 1966 that there was some solid evidence of the lights, when one man […]
The Lightning Beneath Our Feet
Earth Science:The strange lights that occur before earthquakes may originate underground.