The 'Boring Billion' – a period in Earth's history between 1.8 billion and 850 million years ago – wasn't so boring after all, scientists reveal. In fact, the billion-year period paved the way for ...

The “Boring Billion” is an informal description of a billion-year-period of Earth history (1.8 billion to 800 million years ago) where tectonics, climate, and biological evolution remained ...

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?