About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater...
The vast desert of the Arabian Peninsula was not always an arid landscape. A recent study reveals that this region was once home to a vast...
Since Darwin's time, the phenomenon known as flower constancy -- i.e., where insects consistently visit the same flower type even when many others are also present...
Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through photosynthesis.
Drastic declines in biodiversity due to human activities present risks to understanding animal behaviors such as tool use, according to new research. Shrinking animal populations make...
An archaeological study of human settlement during the Final Palaeolithic revealed that populations in Europe did not decrease homogenously during the last cold phase of the...
Using a mathematical model, researchers have shed new light on the transition from hunter-gatherer to farming societies. Rather than focusing exclusively on external factors, they looked...
More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed.
A study presents a striking example of cooperative organization among cells as a potential force in the evolution of multicellular life. The study is based on...
Researchers have uncovered a complete Quina technological system in the Longtan site in southwest China. The discovery challenges the widely held perception that the Middle Paleolithic...