Geologists discover first evidence of 4.5 billion-year-old ‘proto-Earth’
Scientists at MIT and elsewhere have discovered extremely rare remains of the "proto-Earth," which formed about 4.5 billion years ago, ...
Tag: billionyearold
High-resolution techniques reveal clues to 3.5 billion-year-old biomass
To learn more about our planet's earliest organisms, researchers must analyze rocks from early Earth. They can only be found ...
