Earth's length of day swings a few milliseconds over 60 to 70 years, and a 2026 Nature study ties it to the inner core's gravitational pull on the mantle ...

Unusual hydrogen signatures in volcanic rocks may come from Earth’s core. Simulations suggest ancient magma crystallization cannot explain the differences.

Earth’s core has been holding onto materials from the planet’s earliest days for roughly 4.5 billion years. Now, scientists ...

When Earth formed billions of years ago, its metallic core was wrapped in a global ocean of molten rock, which eventually ...

Great Oxidation Event oxygen delay is explained by a 3.4-billion-year feedback loop: a new Nature Geoscience study shows ...

(johan63/iStock/Getty Images Plus) Our early Earth was a heavy metal album cover: a molten ball covered in a global lava ...

A new study suggests ancient hydrogen trapped deep inside Earth has been slowly escaping into the mantle for billions of ...

Most scientists think that Earth and Mars took shape this way from rocky pieces swirling around the young sun around 4.5 ...

Scientists have found new evidence that the differences between the Moon’s near side and far side may have arisen because of ...

Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful ...

Six continents, not seven? Discover why scientists classify Earth's landmasses differently. Explore Eurasia, plate tectonics, ...

Webb observations suggest TOI-561 b has a reflective atmosphere, with mineral clouds offering a possible explanation for this lava planet’s cooler dayside.