In a recent study published in Current Biology, researchers introduced Uncus dzaugisi, a 555-million-year-old, worm-like organism found in the ancient rocks of Nilpena Ediacara National Park (NENP ...

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms ...

Discovered in 1989, the Acasta Gneiss is an outcrop of metamorphic rock dating from the earliest part of the Precambrian Era. It falls within the Hadean Period, which started with the formation of ...

The oldest-known animal eggs and embryos, whose first pictures made the cover of Nature in 1998, were so small they looked like bugs -- which, it now appears, they may have been. This week, a ...

The crater is from the Precambrian era — from the time earth was born 4600 million years ago until 600 million years ago.