Continent-sized structures of mineral protruding from the lower mantle towards Earth's outer core may be contributing to an instability of our planet's magnetic field.
In the new work, Hirose and colleagues at other institutions in Japan and Taiwan propose that the iron core of the Earth formed bonds with helium, allowing the core to act as a reservoir.
This melting has implications for global climate indicators, including sea level rise, ocean warming and viability of marine ecosystems.
New research has demonstrated the precise relationship between past ice ages and each wobble, tilt, and angle of the planet's path, unlocking a new tool for predicting the future fluctuations of our global climate.
Hundreds of millions of years ago, rocks crushed under kilometres of ice injected vital nutrients into Earth's oceans.
Scientists have traced radioactive elements on the seafloor back to the cosmic explosions they might have come from – and potentially linked the event to evolutionary changes in viruses in a lake in Africa.
Earth must have experienced something exceptional 10 million years ago. A strange increase in the radioactive isotope beryllium-10 was found in rock samples from the floor of the Pacific Ocean.
The internal, infernal machinations of our planet may be way more complex than we suspected.
In the months following massive solar storm in May, 2024, Earth was girded by two new, temporary radiation belts of high-energy particles, trapped by the planet's magnetic field.
Bennu has a 1-in-2,700 chance of colliding with Earth in 2182, causing a global winter and drought.
Scientist have concluded water did not arrive as early during Earth's formation as previously thought.
The term "pyrocene" suggests a geologic epoch dominated by human-caused fires. Humanity and fire have been reforging the Earth since the end of the last glaciation, about 11,500 years ago.
Deep below the surface of our world, far beyond our feeble reach, enigmatic processes grind and roil.
Deep under the frozen desert of western Antarctica, a hidden danger slumbers. Lurking beneath the massive, 1–2 kilometer-thick slab of frozen water lies an active volcanic rift, seething away in the deep, in the darkness.
An international team of scientists has extracted a 2.8 kilometers long ice core in Antarctica, hitting the frozen continent’s bedrock. The core represents a chronological register of Earth’s climate and atmosphere
