About 700 million years ago, Earth was entombed in a veneer of ice hundreds of feet thick—a frozen state scientists refer to ...

This illustrated geologic timescale of Earth focuses on the landscapes, flora and fauna of the West, drilling into the region’s deep history.

Most major geological events in Earth's recent history have clustered in 27.5-million-year intervals — a pattern that scientists call the "pulse of the Earth." ...

Tiny crystals preserved in ancient beach sands are offering scientists a new way to read the deep history of Australia’s landscapes.

Spanning billions of years, lunar soil could store a chemical record of ancient gases—materials that may one day support ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

Oldest Rocks on the Earth: The Acasta Gneiss is known as one of the oldest rocks on the Earth because it is estimated to be about 4.0 to 4.03 billion years old. The Acasta Gneiss is regarded as the ...

The Ediacara Biota are some of the strangest fossils ever found—soft-bodied organisms preserved in remarkable detail where ...

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...