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In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has changed over the past ...

Dinosaurs ruled the Mesozoic, but Earth’s early ages - like the Ordovician and Silurian - belonged to stranger things. Think sea scorpions longer than humans and jelly-like organisms that left no ...

Plans are in to extend the life of a 200-year-old quarry in North Wales. Ffestiniog Quarry (also known as Oakeley Quarry or ...

Seventy percent of meteorites that hit Earth today can be traced back to only three families of asteroids a finding that overturns decades of hypotheses regarding the randomness of cosmic rubble and ...

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 ...

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 ...

The Ordovician period and its impact spike correspond closely with a period of intense cold for our planet known as the Hirnantian glaciation—or, more dramatically, as the Hirnantian Icehouse.

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say.

The researchers' idea that Earth once had rings comes from reconstructions of Earth's plate tectonics from the Ordovician period—which ran between 485.4 million years and 443.8 million years ago ...

The well, which targets a previously undrilled Cambrian sandstone, will also be extensively logged and cored in the Silurian and Ordovician shale sections, said Tethys Oil AB, Stockholm. The 2012 work ...

Eric and Sylvie Monceret have been fossil hunting as a hobby for over 20 years. In a mountain region called Montagne Noire in southern France, they made their most significant discovery. The site ...