A new fossil discovery suggests that Earth's first mass extinction may have been far more sudden and severe than previously ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

Scientists have uncovered minuscule fossils in Colorado’s Denver Basin, hinting at the southward spread of early primates after the dinosaur extinction. These tiny fossils challenge long-held ...

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, the answer lies far beyo.

When that material is transported into the oceans, it increases the carbon-to-phosphorus ratio of marine sediments. The ...

Learn how newly discovered Purgatorius fossils in Colorado’s Denver Basin are filling gaps in the Paleocene fossil record and ...

Earth’s magnetic poles have flipped many times since the planet was formed, so that half the time what we think of as the magnetic north pole was actually south, and vice versa. These flips are not ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate ...

A gunman killed two people in Fort Lauderdale before driving to Sarasota and killing four more. The suspect, identified as 51-year-old Russell Kot, died from a self-inflicted gunshot wound.

Add Yahoo as a preferred source to see more of our stories on Google. Details from investigators and surveillance footage reveal how two deadly shootings unfolded across Sarasota and Fort Lauderdale ...