Researchers analyzed radioisotopes in layers of fossilized volcanic ash. Decay of uranium to lead within tiny crystals enabled scientists to precisely pinpoint dates for certain events. They ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

The Early Aptian was a period of profound environmental reorganisation, marked by recurrent episodes of oceanic anoxia that disrupted global biogeochemical cycles. These Oceanic Anoxic Events (OAEs) ...

A 'tag-team' between the oceans and continents millions of years ago devastated marine life and altered the course of evolution on Earth, according to a new study. Scientists say a string of severe ...

Northwestern University Ph.D. student, Luca Podrecca takes a break from research in the field near Mount Ashibetsu in Japan. By studying prehistoric rocks and fossils emerging from the side of Mount ...