Prehistoric Flora & Fauna
Total darkness lasted two years, and in the absence of sunlight, plants wither when photosynthesis cannot occur.
Planet-wide wildfires killed land-dwelling creatures like dinosaurs after a six-mile asteroid struck the Yucatan peninsula, kicking off one of Earth’s five known mass...
U.S. paleontologists described a new species of angiosperm flower, Tropidogyne pentaptera, found in seven pieces of 99-million-year-old (mid-...
This cycle has been linked to periodic motion of the Sun and planets through the dense mid-plane of our Milky Way Galaxy.
Subduction is a geological process that occurs at the boundary between two of the many plates that make up the Earth’s crust.
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the ...
The Silurian (443.7 to 416.0 million years ago)* was a time when the Earth underwent considerable changes that had important repercussions for the environment and life within it.
The Ordovician Period lasted almost 45 million years, beginning 488.3 million years ago and ending 443.7 million years ago.
Fossils of fragile female scale insects are extremely rare.
Ordovician-Silurian extinction, global extinction event occurring during the Hirnantian Age (445.2 million to 443.8 million years ago) of the...