Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

A rock core was extracted by a team of researchers from a depth of 15 meters belowground, ensuring that the sample had ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

A new study details the findings of two meteorites that likely originated from Mercury and might provide clues about its ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

The carbon dioxide that results from respiration in and around deep roots is an essential component in the chemical weathering of sandstone rock soils.