Earth Sciences
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Scientists identify the ‘cleanest’ air on Earth
Area above the Southern Ocean unscarred by human activity.
The Southern Ocean is the place to breathe deep, it seems. Atmospheric scientists say they have identified a regio...
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Asteroid created huge hydrothermal system
Researchers examine cores from more than a kilometre down.
Mexico’s 66-million-year-old Chicxulub crater continues to reveal its secrets. Just three days ago researchers sug...
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A new angle on that asteroid
Chicxulub simulations reveal trajectory of impact.
The asteroid that most believe wiped out the dinosaurs struck at the deadliest possible angle, according to new analy...
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Pictures you’d only take with a drone
Here’s a safe way to monitor explosive volcanoes.
Above is a standard, though admittedly rather impressive, view of the Santa Maria volcano in Guatemala. At right is a...
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Probing silicates at deep-Earth conditions
Scientists working to decipher an evolutionary tale.
Scientists have developed a way to study liquid silicates at the extreme conditions found in the Earth’s core-mantle ...
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Constant ‘quakes below Mauna Kea
But don’t worry, researchers say, it’s just cooling magma
For a long-dormant volcano, Hawaii’s Mauna Kea is pretty active. According to a new study, more than a million dee...
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Research
Looking for origins of life in hot springs
Scientists put a hypothesis to the test.
50 years ago, a meteorite landed in Victoria carrying many of the building blocks for life, including amino acids, nu...
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Understanding moisture and rainfall
Scientists probe the data to try to decode the skies.
The role that atmospheric water vapour plays in weather is complex and not clearly understood. However, US resear...
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Getting a drink in the Atacama Desert
Cyanobacteria extract water from rocks.
It’s not quite life on Mars, but it may be a pointer. Gypsum rocks in Chile’s Atacama Desert. Credit: Jocelyne Dir...
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Satellites map melting ice sheets
A new view of Greenland and Antarctica.
Ice sheet losses from Greenland and Antarctica have outpaced snow accumulation and contributed around 14 millimetres ...
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Earth ‘wobbled’ before two major earthquakes
It’s not clear, though, whether this will happen again.
The earth “wobbled” before two of the largest earthquakes in recent history, according to a new study, but it’s not c...
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We keep finding marine plastic
Researchers detect it from the air and in the ice.
There’s mixed news in our fight against plastics that cause chaos in marine environments. We’re finding new ways to f...