Efforts to determine Earth's age have a long history. The ancient Greek philosopher Aristotle believed that time was eternal and, consequently, that Earth was infinitely old. In contrast ...

Closely related to the history of sedimentary rocks are the age of the Earth as an astronomical body and the evolution of the planetary system. We shall see from the discussion of the following ...

and its divisions chronicle some definitive events of Earth history. (In the graphic, Ma means "million years ago".) Earth formed around 4.54 billion years ago, approximately one-third the age of the ...

The origins of life on Earth have long fascinated scientists, particularly the nature of the last universal common ancestor ...

The official history of Earth has a new chapter - and we are in it. Geologists have classified the last 4,200 years as being a distinct age in the story of our planet. They are calling it the ...

The extraction of iron, which led to the Iron Age, is a chemical process which ... out the time-scale of some of the major events in Earth history and developments in science and technology.

Supplementary resources are available online, making this an invaluable reference for researchers, graduate students, professional geoscientists and anyone interested in the geological history of the ...

The asteroid hit Yarrabubba in Western Australia about 2.2 billion years ago - making the crater about half the age of Earth ... and you lose that early Earth history". The timing of the impact ...

A team of 16 scientists and support staffers spent four summers drilling through Antarctic ice until they finally reached bedrock. To accomplish their goal, they endured average temperatures of -25.6 ...

The transition in and out of the Late Palaeozoic ice age was one of the biggest climate transitions in Earth’s history, a ...