For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

Complex life forms might have originated on Earth’s oceans about 1.5 billion years earlier than previously thought, according to a new study. Previous studies suggest animal life did not emerge on ...

Manitoba is well-known for its fossil record, including the fossil-filled, world-famous Ordovician-aged Tyndall Stone and the ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience community and the public. Among them, the Late Ordovician Mass Extinction (LOME ...

A new study suggests that nearby supernova explosions may have triggered two major mass extinction events in Earth’s history, the Ordovician and late Devonian, by stripping away the ozone layer and ...

Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass extinctions: those at the end of the Ordovician Period, some 445 million ...

Past mass extinctions Scientists refer to these moments in Earth’s past as the late Devonian and Ordovician events. The Devonian Period occurred about 372 million years ago and led to the ...

The Ordovician extinction is thought to have killed off about 60 percent of the invertebrate sea creatures at a time when most of Earth's species lived in the ocean; the late Devonian event ...

The Ordovician extinction killed 60 per cent of marine invertebrates at a time when life was largely confined to the sea, while the late Devonian wiped out around 70 per cent of all species and ...

Scott Mitchell, son of Woodlands founder George Mitchell, started Life Forms Homes in the late 70s. The homes remain popular among resellers in the township.