Earth, for context, is around 4.5 billion years old. That means life first emerged when the planet was still practically a newborn. "We did not expect LUCA to be so old, within just hundreds of ...

“By 3.465 billion years ago, life was already diverse on Earth; that’s clear — primitive ... has shown that there were sulfur users 3.4 billion years ago as well.” With that information ...

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

Around 200,000 years ago, the last survivors ... to tens of thousands of years’, but life will go on, with more ice ages and more extinctions, until eventually, in maybe a billion years, the story of ...

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 with the emergence of complex, multicelled life-forms ...

The Moon’s formation has been traced to 4.53 billion years ago, nearly as old as Earth itself, according to research by Francis Nimmo and team, published in Nature. 'A secret beneath 30 US ...

and what makes a planet suitable for life. This also guides planetary scientists in their search for other habitable (or inhabited!) worlds in our solar system and beyond! Scientists now think the ...

For most of us, the Pyramids symbolize the distant past. After all, they're more than 4,500 years old. But for geologists and paleontologists, they might as well have been built yesterday.

When the moon first formed 4.5 billion years ago—and was much closer to Earth—a day on Earth lasted about 10 hours. The cause of the pause, say the scientists, was a natural resonance between ...

Rich in organic compounds such as amino acids, the meteorite is believed to have contributed to the building blocks of life on Earth. These molecules formed in space's extreme conditions before ...

ridge contains crystallized minerals called zircons dating to 4.4 billion years ago, making them the oldest Earth materials ever found. Zircon crystals are durable; they can survive even when the ...