In a new study, a team of researchers suggests that 4 billion years ago, plate tectonics likely looked closer to what ... important for how life evolved on Earth." Moving continents are ...

But life emerged prior to that; we have fossils of microbes from 3.48 billion years ago. And scientists think that conditions on Earth may have been stable enough to support life from around 4.3 ...

The Earth formed over 4.6 billion ... more than four billion years of geology, scientists can use modern rocks, moon samples, and meteorites to figure out when and how the Earth and moon formed, and ...

The scientists argue that even at the relatively early stage in the Earth’s existence, life on our little world was already impressively diverse. “By 3.465 billion years ago, life was already ...

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending ... had sac-like bodies and a simple digestive system ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another, creating the Earth, our planet, the home of mankind. It spins at 1000 ...

but could also help paint a clearer picture of what the Earth looked like between 1.7 billion and 1.6 billion years ago. The research team believes that when the land mass collided with Australia ...

Analysis of debris from the nearly 5 billion ... on Earth. The difference is that Bennu’s chemical footprint dates back to the start of the solar system 4.6 billion years ago, around 100 million ...

Benjamin Weiss and his team were able to determine that the shield was at its most powerful 4 billion ... 1.5 and 1 billion years ago, and seems to have been powered in an Earth-like way," said ...

The research shows that Earth rotated at a steady rate for 1.4 billion ... years ago was caused, they think, by the planet’s warmer atmosphere amplifying the sun’s atmospheric tide. “It’s ...

A massive burst of gamma rays produced by the explosion of a star almost two billion light-years away was so powerful that it changed Earth’s atmosphere, according to scientists. Gamma rays are ...