A groundbreaking study suggests that the famous Cambrian explosion—the dramatic burst of diverse animal life—might have actually started millions of years earlier than we thought. By analyzing ancient ...

A new study of ancient fossil trails pushes the origins of complex life deeper into Earth’s history, before the Cambrian Period began.

Rather than a constant upward trajectory of evolution, it’s been billions of years of boom-and-bust cycles – first an explosion of life, and then a mass extinction of all but the most hardy hangers-on ...

You may pass bigger clots, fluid, and other tissue. The symptoms of a period may come on gradually before bleeding begins. They include bloating, appetite and mood changes, and breast tenderness.

The original meaning behind the cards, first created 500 years ago, still remains elusive. But that didn't stop our reporter ...

The Marvel timeline, though, is pretty easy to follow. Agents of Shield season 3’s eleventh episode has a bit of a jump, and Civil War is dealt with from episode 20 onward.

Found in rock samples retrieved in Australia more than 60 years ago, the microfossils dating to the Lower Ordovician Period, approximately 480 million years ago, fill an approximately 25-million-year ...

Megacheirans were common during the Cambrian period, which occurred 538 to 485 million years ago. Sign up for Chip Chick's ...

As of October 5th, 2020, New York City has reported over 252,000 COVID-19 cases and 23,861 deaths. After first seeing the virus emerge in NYC during March, the city quickly saw a surge that would ...

Jen Affleck and Zac Affleck's ups and downs have played out in the public eye after they joined Hulu's 'The Secret Lives of Mormon Wives' ...

After retirement, Sloan plans to move to Winona, where his wife Sally works as a professor of mathematics. He said he intends to study seashell fossils in southeastern Minnesota from the Ordovician ...