How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

Between 635 to 541 million years ago, during the Ediacaran Period, Earth witnessed a remarkable emergence of early life.

Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...

The study identified when water interacted with the meteorite and established that the dating was unaffected by events after ...

Researchers have uncovered physical evidence indicating that Earth was entirely frozen during the “Snowball Earth” period, ...

A team of scientists has found evidence of liquid water on Mars from 742 million years ago in a Martian meteorite known as ...

The history of planet Earth is long: about 4.5 billion years. Scientists divide up this huge history using geological epochs, eons, eras and ages to create a timeline. Epochs can last for millions of ...

A new study predicts a grim future for humanity as Earth's continents drift towards forming a supercontinent. This will lead to extreme temperatures, reaching 40-50°C, making survival impossible ...

The global water cycle is off balance for the “first time in human history.” Researchers have ... condensing into rain or snow to fall back to earth. Issues with the global water cycle are ...

Authors recieved research funding from the National Science Foundation (NSF). Christine Siddoway has received research grants from the NSF Office of Polar Programs. Rebecca Flowers has received ...