In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass death. Today’s crocodylians are the surviving members of a lineage called ...

The ancestors of today’s crocodylians survived two mass extinction events. A new study has revealed a key factor behind their ...

Just above two children per woman was considered the minimum to sustain a population—not anymore, according to new research.

The expansion of humans across the globe has caused an alarming number of extinctions among bird species, and researchers predict many more to come. A new study published in the journal Science ...

The study's authors ... better protect vulnerable species today. Historically, the field has regarded mammals as the poster children for understanding mass extinction survival, lauding their ...

In the 1980s, the mass extinction of 90 flora species ... own fieldwork in Ecuador's Centinela, the study further emphasizes the importance of protecting the world's rainforests.

SALT LAKE CITY — Earth has experienced at least five "mass ... extinction." Irmis was part of a research team whose findings were published Wednesday in the journal Palaeontology. The study ...

To find answers, a team of researchers studied North America’s fossil record, focusing on the 18 million years before the mass extinction ... fossils available for study from this time ...

Protection by the state could prove critical as the Trump administration proposes new rules to weaken the federal Endangered ...

The secret to their longevity could help conservationists better protect ... mass extinctions - the first about 201.4 million years ago, and the second around 66 million years ago. Study co ...