252 million years ago, climate change nearly wiped out life on Earth; something similar is happening today
If this sounds a bit alarming... it should.
If this sounds a bit alarming... it should.
Helicoprion is an extinct genus of shark-like, cartilaginous fish that lived from the early Permian (~290 m.y. ago) all through ...
The fossils were discovered in the Parnaiba Basin of north-eastern Brazil, and are some 278 million years old, corresponding to ...
Species on Earth are disappearing at a never-before seen rate in human history. The stark threat hangs over all species ...
Imagine salmon in reverse: long-snouted Bandringa sharks migrated downstream from freshwater swamps to a tropical coastline to spawn 310 million ...
A new species of "sea monster" was unearther in Nevada - a predator so fierce that it often hunted prey ...
Between 247 to 252 million years ago, Earth life was going through quite possibly its most dire time. During this ...
Some 250 million years ago, life on Earth passed through its toughest time so far, as 96% of all marine ...
The mass extinction theory is... a theory, because there are still some blanks left in to fill by scientists; of ...
About 250 million years ago, at the end of the Permian, and event caused a mass extinction which killed over ...