Latest about Geology
Which are rarer: diamonds or emeralds?
The rarity of precious gemstones comes down to the geologic process of their formation.
Carlsbad Caverns: New Mexico's otherworldly caves with gypsum flowers and 'soda straws' dangling from the ceiling
Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room.
Earth's crust may be building mountains by dripping into the mantle
An odd phenomenon called lithospheric dripping might occur wherever mountains form.
Mystery iron-rich magma entombed in dead volcanoes could be rich source of rare earth elements
Experiments show how concentrations of rare earth elements, critical to the green energy transition, might be hiding in plain sight in iron-rich deposits around the world.
'Many more ancient structures waiting to be discovered': Lost chunk of seafloor hidden in Earth's mantle found off Easter Island
Researchers created a seismic map of Earth's interior beneath the southeastern Pacific Ocean and discovered an ancient slab of oceanic crust that appears to be stuck midway through the mantle.
Hranice Abyss: The deepest freshwater cave on Earth and a conduit to a 'fossil' sinkhole
Scientists first described the flooded cave in 2016 but determined its extraordinary extent years later.
We're one step closer to finding out why Siberia is riddled with exploding craters
A new physical model suggests meltwater from thawing permafrost on Russia's Yamal Peninsula can unlock methane sources at depth, triggering explosions that open enormous craters at the surface.
Mount Everest is taller than it should be — and a weird river may be to blame
Mount Everest may be "taller than it should be" because of a river "capture" event 89,000 years ago.
