There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.
A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.
Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...
A massive meteorite strike 3.5 billion years ago left behind the world’s oldest known impact crater, challenging previous ...
There are many open questions about how our planet formed 4.55 billion years ago: When did plate tectonics start? When did the Earth's mantle begin to vigorously circulate in a process called ...
According to a recent study, events geologists use to distinguish transitions between geological chapters in Earth's story follow a hidden hierarchical pattern, one that could shed light on both past ...