The Cambrian–Ordovician extinction event, also known as the Cambrian-Ordovician boundary event, was an extinction event that occurred approximately 485 million years ago (mya) in the Paleozoic era of ...

This ancient fossil belongs to a newly identified arthropod species, Lomankus edgecombei, from the Ordovician period. Arthropods, a diverse group of invertebrates, include familiar relatives such as ...

A new study suggests that extreme temperatures could lead to a mass extinction event, ending the reign of humans and mammals ...

This ancient fossil belongs to a newly identified arthropod species, Lomankus edgecombei, from the Ordovician period. Arthropods, a diverse group ...

Many people who menstruate wonder if it's safe—or possible—to delay a period. You might want to postpone your week of bleeding due to an important event, like a wedding, work presentation ...

Lasers revealed that the city spanned roughly the same area as Beijing and may have been among the most densely populated in the region.

Here’s how it works. Should you get your directions from Google Maps or Apple Maps? It's a decision all iPhone users have to make at some point — regardless of whether you're a long-time ...

Excavations in Hejaz, Saudi Arabia have revealed a series of fortified oasis towns—the latest Bronze Age discovery housed 500 people.

This up-to-date introduction to Griffiths' theory of period maps and period domains focusses on algebraic, group-theoretic and differential geometric aspects. Starting with an explanation of Griffiths ...

Encompassing an area of about 8 square miles, Destin isn't a difficult city to maneuver. There are 13 public access points for visitors wanting to spend a day on Destin's clean white sand or in ...

Chicago's eastern boundary is formed by Lake Michigan, and the city is divided by the Chicago River into three geographic sections: the North Side, the South Side and the West Side. These sections ...

Best of all, there isn’t a damsel in distress in sight. Period drama veteran Keira Knightley shines as the titular French novelist in Wash Westmoreland’s love letter to 19th-century Paris. We follow ...