As scorching heat grips large swaths of the Earth, a lot of people are trying to put the extreme temperatures into context and asking: When was it ever this hot before?
Earth Sciences
Jul 24, 2023
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37
Homo sapiens, our own species, evolved in Africa sometime between 300,000 and 200,000 years ago. Anthropologists are pretty confident in that estimate, based on fossil, genetic and archaeological evidence.
Evolution
May 2, 2023
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48
The first new dinosaur named from Madagascar in nearly a decade, Dahalokely tokana was a carnivore measuring 9-14 feet long. Its fossils were found in 90-million-year-old rocks of northernmost Madagascar, from the time when ...
Archaeology
Apr 18, 2013
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0
Our understanding of evolution can be enriched by adding fossil species to analyses of living animals, as shown by scientists from the University of Bristol.
Paleontology & Fossils
Dec 15, 2015
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388
An international team of researchers has found evidence that suggests the giant tortoises living on the Aldabra Atoll in the Seychelles may have once had to watch out for crocodile attacks. In their paper published in the ...
Accelerating global warming is driving a rising tide of impacts that could cause profound human misery and ecological disaster, and there is only one way to avoid catastrophe: drastically reduce greenhouse gas emissions.
Environment
Apr 4, 2022
24
419
Manatees don't live year-round in Texas, but these gentle, slow-moving sea cows are known to occasionally visit, swimming in for a "summer vacation" from Florida and Mexico and returning to warmer waters for the winter.
Archaeology
Oct 1, 2020
0
499
Hippos spend lots of time in the water and now it turns out (or researchers argue), they are the closest living relative to whales. It also turns out, the two are swimming in a bit of controversy.
Evolution
Mar 18, 2009
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0
(PhysOrg.com) -- Researchers from Canada studying the highly salty coastal lagoons at Los Roques, Venezuela and the microbial mats found at the bottom of the sea there, have discovered that oxygen levels in the mats, at least ...
A shade more than 200 million years ago, the Earth looked far different than it does today. Most land on the planet was consolidated into one continent called Pangea. There was no Atlantic Ocean, and the rulers of the animal ...
Earth Sciences
Mar 22, 2010
9
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