The oldest known animal on Earth was oval-shaped, flat, and had a sort of central ridge. Remarkably simplistic, this creature inhabited the ocean depths! For ...

Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...

The find, led by Shuhai Xiao of Virginia Tech, suggests that the earliest sponges lacked mineral skeletons, which may explain ...

The fossil was discovered in a private meadow in Upper Island Cove. McIlroy says melting glaciers released nutrients into the ocean, fueling a biological boom, and the sudden appearance of larger, ...

Scientists discovered exceptionally preserved Ediacaran fossils in sandstone. (Image: Geology) Scientists solved how Ediacaran soft-bodied fossils survived in sandstone. Ancient seawater chemistry and ...

Magnetic signatures hidden inside rocks tell us a lot about Earth's magnetic field and the way continents and tectonic plates have shifted across millennia – but for some periods, the geological ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Oct 23, 2025, 12:48pm EDT Oct 23, 2025, 01:42pm EDT Illustration ...

Earth’s Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. During earlier and later time periods, tectonic plates kept a steady ...

One of the earliest known fossil animals, Dickinsonia lived on the sea floor over a half billion years ago. Based on traces of a biochemical marker, coprostanol, UC Davis paleobiologists propose that ...

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The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first appear in the fossil record. New research, however, suggests that many of ...