Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

In place of oxygen, the ocean was full of hydrogen sulfide, which the researchers believe may have caused the organism to ...

Paleontologists have uncovered a 444-million-year-old fossil with remarkably intact soft tissues, such as muscles, ...

the microfossils dating to the Lower Ordovician Period, approximately 480 million years ago, fill an approximately 25-million-year gap in knowledge by reconciling the molecular clock—or pace of ...

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 ...

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

A new species of fossil is 444 million years-old with soft insides perfectly preserved. Research 'ultramarathon' saw palaeontologist puzzled by bizarre fossil for 25 years.

Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...

Could your heavy flow be cause for concern? Sherri Ozawa, MSN, RN, tells The Post that serious blood loss during menstruation could be a symptom of von Willebrand disease, a blood disorder that co ...