Two researchers from the Santa Fe Institute in New Mexico are proposing a redefinition of the term “life” to extend beyond individual biological organisms to include structures and concepts that are produced not only by what would traditionally be considered lifeforms, but also to extend that definition to phenomena thatread more

The discovery of the fossils of a sponge-like creature that dates back to 890 million years ago suggests that simple animals appeared on Earth nearly 350 million years before the oldest known fossilized specimens first appeared in the Earth’s oceans. While the previously oldest known animal fossils, also in theread more