I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...

Found in rock samples retrieved in Australia more than 60 years ago, the microfossils dating to the Lower Ordovician Period ... the fossil spore record—the physical evidence of early plant life ...

In the Late Ordovician era, they formed a symbiotic ... The lack of sunlight that followed the asteroid impact meant that the plant life that didn’t die on impact would start to decay rapidly ...

A weird number of craters are located close to the equator, and the odds that this is random are incredibly low, researchers ...

The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

Prior to the Ordovician, land surfaces were largely barren. Any plant covering was probably sparse with soils ... One of the most devastating mass extinctions of marine life in all of Phanerozic time ...

We’re in the Ordovician period, between 485 to 444 million ... And as quickly as life forms became extinct, new life forms sprang up, including the very first land plants! Just think when you see all ...

As a result, ground-up bedrock, plant fragments ... two-sided jigsaw blade. In life, the rhabadosome was suspended from a "float" by a slender thread called a nema. Late Ordovician Period - The ...

Today it represents something quite different: a set of extraordinary clues, recently reinterpreted, to one of the deepest and most puzzling mysteries of life ... and the Ordovician period that ...

Moss is a fascinating plant species that has existed since the late Ordovician period ... With these nutrients available, ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period ... It was also around this time that the first plants ...