Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. Subscribe ...

Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived approximately four billion years ago. All plants, animals, and microbes can trace ...

The mystery of how life on Earth originated , and whether it exists elsewhere in the universe, are "the raison d’être of space exploration", said Louis Friedman, co-founder of the Planetary Society.

In this fascinating talk, geobiologist Tara Djokic reveals how a 3.5-billion-year-old rock discovered in Western Australia could change what scientists think about the origin of life on Earth. The ...