Around 12,800 years ago, Earth collided with fragments of a disintegrating comet, triggering Younger Dryas climate change; this event created environmental conditions at Abu Hureyra, Syria, that ...

University of Portsmouth physicist Melvin Vopson proposes a new way to think about gravity — not just as a pull, but as something that happens when the Universe is trying to stay organized. The ...

A 3,500-year-old suit of Mycenaean bronze armor from the Greek village of Dendra may have been used in battle, not just for ceremonial purposes as previously thought. One of the oldest known suits of ...

A team of marine biologists led by a Florida International University researcher has described a new species of the shark genus Sphyrna from the Caribbean and the Southwest Atlantic. Named for the ...

The maritime expansion of Scandinavian populations during the Viking Age was a far-flung transformation in world history. Margaryan et al sequenced the genomes of 442 humans from archaeological sites ...

Researchers from Lanzhou University in China have shown that the slime mold Physarum polycephalum is able to solve the Traveling Salesman Problem, a combinatorial test with exponentially increasing ...

In 2013, the oncilla (Leopardus tigrinus), a species of small spotted cat from the Americas, was split into two species: the northern tiger cat (Leopardus tigrinus) and the southern tiger cat ...