Tiny structures in rock may be fossils of earliest known life on Earth

A centimetre-long branching structure found in a rock dated to at least 3.75 billion years ago may be the earliest evidence for life on Earth, although not everyone agrees

Tiny structures in rock may be fossils of earliest known life on Earth
A centimetre-long branching structure found in a rock dated to at least 3.75 billion years ago may be the earliest evidence for life on Earth, although not everyone agrees