Over the course of the planet's 4.5 billion-year history, several supercontinents have formed and broken up, a result of churning and circulation in the Earth's mantle, which makes up 84% of the ...
Around 700 million years ago, the Earth cooled so much that scientists ... The unconformity, or ‘time gap,’ demonstrates that years of history are missing. Mike Norton via Wikimedia, CC ...
Earth system history, climate and climate change, marine and freshwater systems, and ecology. It also considers the interactions between humans and these systems. The formation of porphyry copper ...
Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet like a giant snowball. This global deep freeze, known as Snowball Earth ...
Earth's gravity briefly captured asteroid 2024 PT5, turning it into a temporary mini-moon. This rare event, lasting from September to November 2024, allows scientists to study space rocks up close.