Deep beneath our feet, far below the crust and mantle, Earth’s metallic heart is not as sealed off as geologists once assumed ...
That’s the Paint Mines Interpretive Park in Calhan, Colorado. Nature’s sculpture garden stands proudly against Colorado’s blue sky, showcasing formations that look like they were designed by a ...
A new study published in Nature Communications reveals that some of Earth’s oldest rocks, dating back 3.7 billion years, ...