Recent scientific discoveries suggest that Earth was once home to enormous trees, dwarfing today’s tallest redwoods. These ...

Scientists have uncovered new signs of a mysterious structure buried deep inside Earth’s inner core, pointing to the possibility of a fifth distinct layer within the planet. The discovery, detailed in ...

The discovery could usher in a wave of investigations into the evolution of Earth’s mantle, a layer of material about 1,800 miles deep that extends from just beneath the planet’s thin crust to ...

Stanford scientists reveal that meandering rivers existed long before plants stabilized their banks, challenging a central ...

From climate change to species loss and pollution, humans have etched their impact on Earth with such strength and permanence since the 1950s, that a special team of scientists says a new geologic … ...

Iron-depleted, oxidized chemistry in Earth’s continental crust likely didn’t come from crystallization of the mineral garnet ...

For 60 years, scientists have tried to get rock samples of the Earth’s mantle. But the geologic layer below the planet’s crust is incredibly difficult to reach. Scientists believe they’ve ...

It's the first time Earth's geologic record — information found inside rocks — has been used to create an animation of this kind.

The geology of Mars could provide a snapshot of what our planet was like as the crust was forming and plate tectonics began.

Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago.