“The more species of Homo there were, the higher the rate of speciation. So when those niches got filled, something drove even more species to emerge. This is almost unparalleled in evolutionary ...
The Cretaceous–Paleogene (K–Pg) mass extinction event, marking the boundary between the Cretaceous and Paleogene periods approximately 66 million years ago, stands as one of the most profound ...
Why did mammoths and other contemporary mammals disappear? Throughout its eventful existence, Earth has experienced five ...
Evolution of the Universe, stars and planets / David W. Hughes -- Catastrophes in the history of life / George R. McGhee -- Pre-metazoan life / Paul K. Strother -- Origins and radiation of the early ...
Introduction -- The Mesozoic Era -- Discovering Order -- Interrelationships -- Origin of Dinosauria -- Saurischia -- Sauropoda -- Theropoda -- The Origin of birds ...
Boulder, Colo., USA: Sixty-six million years ago, the dinosaurs had a really bad day when a colossal asteroid impact spurred their extinction. But even though those reptilian megafauna get all the ...
A new study proposes a refined stratigraphic scheme for the Sanqushan Group, clarifying the Katian Zhe-Gan platform stratigraphy in South China. By ...
Imagine an asteroid striking Earth and wiping out most of the human population. Even if some lucky people survived the impact, Homo sapiens might still face extinction, because the social networks ...
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