The first complex animals to have ever existed arose during the Ediacaran period (635–540 million years ago). Before then, less complex and single-celled organisms, like sponges and cyanobacteria, ...

During this time, early life forms evolved into a wide range of more complex organisms. Almost all of the fundamental animal body structures that exist today emerged during this era.

Mark Carney unveils new cabinet that drops some Trudeau-era ministers, moves others The new Liberal government will act fast and prioritize economic growth in the face of Donald Trump’s trade ...

While studying ancient rocks that date back to the Precambrian era — some 500 to 600 million years ago —Passchier noticed unusual tube-like formations. These tubes were aligned vertically and ...

Geologist Cees Passchier has conducted research in Namibia for 25 years. His work focuses on reconstructing the geological history of Precambrian terranes. “We look at the structure of the rocks to ...

How to Build the World’s Highest Mountain The rocks of Mount Everest’s peak made an epic journey from seafloor to summit.

Many of the GHS rocks began as sediments deposited in the Precambrian era, more than 540 million years ago, but most of the metamorphism began around 40 million years ago and continued to 15 ...

Discover Uncus dzaugisi, a 555-million-year-old worm-like fossil, offering the first Precambrian evidence of Ecdysozoa origins.

Anicka Yi's "There Exists Another Evolution, But In This One" is on view at the Leeum Museum of Art in Seoul through December 29.