The early Earth was an extreme place. Asteroids pommeled the surface. Volcanoes spewed lava and carbon dioxide. The thick, toxic atmosphere lacked oxygen. Yet, in this turmoil, life emerged.

The work could have implications for how aquatic species respond to our ... Discovery of 'Punk' and 'Emo' Fossils Challenges Our Understanding of Ancient Molluscs Jan. 8, 2025 — Researchers have ...

Jan. 15, 2025 — Scientists have identified fossils of snow leopards. The discovery has allowed them to trace the evolutionary history of the species during the Quaternary period and to propose ...

Remnants of a bizarre “shark-toothed” aquatic predator that lived alongside dinosaurs were probably forged, according to new research. The fossil possesses highly unusual blade-like teeth ...

Lead researcher Ian Hughes, a Ph.D. candidate from Harvard's Department of Organismic and Evolutionary Biology, expressed the excitement surrounding the find, noting, "Ecdysozoans were prevalent in ...

“Ecdysozoans were prevalent in the Cambrian fossil record, and we know they didn’t appear out of nowhere. Until now, we had no concrete fossil evidence to confirm it.” Hughes discovered ...

this diminutive fossil bridges a critical gap in the fossil record, offering long-sought evidence of Ecdysozoans before the Cambrian explosion. The find underscores the evolutionary complexity of ...

Ecdysozoans are the most diverse and species-rich animal group on Earth, comprising over half of all known animal species. Despite their dominance, the fossil record has long been puzzlingly sparse ...

However, the fossil record of Proterozoic life has been challenging to interpret due to its sparse and inconsistent nature. A groundbreaking study, published in the journal, Science, by Virginia ...

The simplified summary diagram shows the relative diversity of fossils in the past 2 billion years. ... [+] Simple eukaryotic cells dominated the first half a billion years. Algae appeared around ...