World Reef Awareness Day 2025 highlights the coral reef crisis and the urgent need for global conservation action.

For more than 100,000 years, coastal communities have harvested abalone (genus Haliotis). These gastropods, which are found ...

The end of the Ordovician, in contrast, was kicked off by the Earth’s thermostat firmly flipping to “cold” – and much like ...

A fossil from British Columbia, originally discovered in the 80s, has finally been identified as a new species named ...

The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago.

Jellyfish have been pulsating through Earth’s oceans for an astonishing 650 million years ... commonly known as sea lilies or feather stars, first appeared in the Ordovician period around 480 million ...

Long before dinosaurs ruled the land, sharks were already patrolling Earth’s oceans. The earliest shark-like fish appeared during the Ordovician period over 450 million years ago, and by the time ...

But as the millennia passed, by the Ordovician Period ... which formed nearly 2 billion years ago when two ancient oceans closed. And as I mentioned before, the Rift Valley in eastern ...

I swear, Kentucky never disappoints! There are a LOT of rocks in Kentucky, and in this video specifically the rocks are Ordovician in age which is around 450 million years old. Finding marine ...

Ordovician-Silurian Extinction (about 443 million ... period and may have been caused by widespread oxygen depletion in oceans. Around 75% of species, particularly marine life, were lost.

Professor and Head of Data Science for the Environment and Sustainability, Queen Mary University of London Nearly three fourths of Earth is covered by oceans, making the planet look like a pale ...

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 ...