Researchers have recreated the tumultuous beginnings of Earth, simulating what the planet was like just after its formation 4 ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Researchers used zircons and AI to reconstruct Earth's ancient crust, revealing possible tectonic processes from the planet's ...

Illustration of the giant impact hypothesis, with the hypothetical planet Theia colliding with Earth 4.5 billion years ago, created on July 19, 2015. This impact is suggested to be the source of ...

4.5 billion years ago, another planet crashed into Earth. We may have found its leftovers. A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon.

Geochemists have found probable evidence for life on Earth at least 4.1 billion years ago -- 300 million years earlier than previously documented, pushing the origin of life close to when the ...

According to Stewart and Lock's previous paper, Earth may have briefly become a synestia not long after its birth about 4.5 billion years ago, after being struck by a renegade Mars-size rock ...

University of Oregon. "Land rising above the sea 2.4 billion years ago changed planet Earth." ScienceDaily. ScienceDaily, 23 May 2018. <www.sciencedaily.com / releases / 2018 / 05 / 180523133221.htm>.

Earth itself is a bit more than 4.5 billion years old, ... 4.5 billion years ago, another planet crashed into Earth. We may have found its leftovers. SCIENCE. The most otherworldly, ...

Earth may have had fresh, not just salty, water as soon as 600 million years after the planet formed — a mere blink of an eye in geologic time. Researchers analyzed oxygen molecules within 4 ...

But the whole planet probably transitioned to the plate tectonic system later, between 3.2 billion and 2.7 billion years ago. There's far more evidence of rocks getting recycled and pushed around ...