Reference Terms
from Wikipedia, the free encyclopedia
Jurassic
The Jurassic period is a major unit of the geologic timescale that extends from about 200 Ma (million years ago) at the end of the Triassic to 146 Ma at the beginning of the Cretaceous.
Note: The above text is excerpted from the Wikipedia article "Jurassic", which has been released under the GNU Free Documentation License.
Related Stories
1
2
Fossils & Ruins News
March 20, 2025
Mar. 20, 2025 — Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic development of the chicken, researchers from the ...
Mar. 18, 2025 — Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the ...
Mar. 9, 2025 — The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong. The study finds the prehistoric hunter had a much longer body -- closer in shape to a lemon shark or even a large ...
Mar. 6, 2025 — Researchers have discovered the world's oldest known meteorite impact crater, which could significantly redefine our understanding of the origins of life and how our planet was shaped. The team found evidence of a major meteorite impact 3.5 billion ...
Latest Headlines
updated 12:56 pm ET
Mar. 18, 2025 — Although fungi of the genus Piloderma are common, scientists have now discovered five previously unknown species. One of these is one of the most widely distributed species in Northern Europe, while ...
Mar. 17, 2025 — Researchers have identified the economic and political borders separating El Argar, considered to be the first state-society in the Iberian Peninsula, from its La Mancha and Valencia Bronze Age ...
Mar. 17, 2025 — A new analysis of 105-year-old data on the effectiveness of 'dazzle' camouflage on battleships in World War I has found that while dazzle had some effect, the 'horizon effect' had far more influence ...
Mar. 18, 2025 — Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ...
Mar. 17, 2025 — A team of scientists have elucidated an ancient mechanism of cellular respiration. To that end, they studied bacteria that feed on the gases carbon dioxide and hydrogen, and turn them into acetic ...
Mar. 17, 2025 — The only iguanas outside the Americas, Fiji iguanas are an enigma. A new genetic analysis shows that they are most closely related to the North American desert iguana, having separated about 34 ...
Mar. 13, 2025 — Misha lived her whole life in zoos, but this elephant's teeth are now helping scientists reconstruct wildlife migrations. Geologists show how ...
Mar. 14, 2025 — A study shows that electrical charges in sprays of water can cause chemical reactions that form organic molecules from inorganic materials. The findings provide evidence that microlightning may have ...
Mar. 11, 2025 — A team of researchers has rediscovered a frog species which has not been seen in more than 130 years. First described in 1902, Alsodes vittatus had evaded detection since then, despite multiple ...
Mar. 10, 2025 — A study has determined that the widely used tools available to businesses for assessing their biodiversity impacts depend on broad assumptions and ...