Scientists have found traces of a form of carbon—an important element in living organisms—in one such 4.1 billion-year-old zircon. However, it does not provide enough evidence to prove life’s ...

Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating.

It grew larger thanks to countless collisions between dust particles, asteroids, and other growing planets, including one last giant impact that threw enough rock, gas, and dust into space to form ...

If you think living to 100 is impressive, think again. Here's a glimpse at some of the longest-living life-forms on Earth: The average human lives for 71 years, but the oldest on official record ...

Rethinking early Earth formation For decades, scientists have tried to identify when plate tectonics first began, marking the earliest evolution of life ... continents might form on other rocky ...

While much remains unknown, it is intriguing that two ancient meteorite impacts, the 3.5-billion-year-old North Pole impact ...

The atmosphere, the ocean and life on Earth have interacted over the past 500-plus million years in ways that improved conditions for early organisms ... among ancient life forms, including ...