It is the first time dinosaur footprints have been reported in Dujiangyan. Xing said these prints include theropod footprints ...

New clues from ancient seas are reshaping what we know about mass extinction and the future of our oceans. In a recent breakthrough, scientists have confirmed for the first time that a sudden, sharp ...

A 430-million-year-old fossil reveals that the first leeches were ocean predators, not bloodsuckers. The discovery radically shifts the timeline of leech evolution by more than 200 million years.

Discovered: Massive volcanoes caused widespread extinction 200 million years ago; men don't want to cheat with the wives of their friends; obese people share an altered gene; we remember things using ...

Scientists debate mosquito origins as fossil evidence and genomic studies clash, revealing new insights into their ...

A newly discovered fossil has fundamentally changed our understanding of leech evolution. Once believed to have appeared around 150–200 million years ago, leeches are now confirmed to be at least 200 ...

A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously believed. Unlike today’s bloodsucking leeches, their ancient ancestors ...

The bold question-askers at What If explore what life would be like 200 million years ago. High school student shot by ATF agent in Aliquippa dies at hospital Poll Deals Major Blow to Trump’s ...