approximately 2.4 billion years ago. This event marked a dramatic shift in Earth’s atmospheric composition, enabling the diversification of aerobic life and laying the groundwork for complex ...

NASA’s OSIRIS-REx mission returned from space with a sample of an asteroid named Bennu and scientists got to dive into a tale ...

Paleontologists who study earth ... here, life should be extremely common, said Lieberman. But the evolution of complex life on this planet took a long time to happen, about 2 billion years ...

By exploring Yellowstone's geothermal springs, scientists discovered the microbes that reveal how life adapted to harsh conditions billions of years ago.

Researchers at Virginia Tech have traced the evolution of life back nearly 2 billion years ... The 'boring billion' refers to a period in Earth's history, approximately 1.45 to 0.72 billion years ago, ...

Samples of matter returned from the asteroid Bennu support the theory that asteroids could have brought the building blocks of life to Earth ... around 4.5 billion years ago, seems to have ...

They’re the building rocks of life ... lakebeds 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 ...

"The origin and diversification of complex life on Earth remains one of the most ... unstable and low ozone levels likely persisted from 2.4 billion years ago until roughly half a billion years ...

WASHINGTON (Reuters) - Rock and dust samples retrieved by NASA from the asteroid Bennu exhibit some of the chemical building blocks of life ... billion years ago. The samples were delivered to ...