Identifying the earliest animal on Earth has been a long-standing scientific question. Research on Dickinsonia costata, an organism that lived approximately 558 million years ago, has provided evidence relevant to this question. The earliest traces of animals […]
For approximately four billion years, life on Earth consisted of single-celled organisms. Around 575 million years ago, multicellular organisms appeared and began to diversify. The causes of this event, known as the Avalon explosion, remain uncertain. This […]

