New evidence may rock long-held assumptions about a catastrophic mass extinction event that occurred 250 million years ago.
Mammoths may have actually survived into present day were it not for their bad "mineral diet."
When we lose large animals to extinction, we may be disrupting the entire globe's nutrient cycle. Scientists have found that the loss of whales and oversized land mammals may cause our planet to be less fertile.
When we lose large mammals to extinction, we don't just lose them; we also lose their poop. Now, scientists have found that the loss of large mammals may just change landscapes forever.
It turns out that humans had more of an impact on the Caribbean than we might have thought.
It shouldn't be all that surprising, but researchers have finally confirmed that there's a link between comet or asteroid showers and mass extinctions.
A tiny, ancient fossil may be telling researchers a bit more about the birds that existed during the time of the dinosaurs.
A new fossil of a species that once belonged to the marine group Desmostylia is telling scientists a bit more about this strange animal group.
A staggering 31 percent of the world's cactus species are threatened with extinction.
It's a bit like the Jurassic Park version of gourds. Students have managed to revive an extinct form of squash that's been gone for hundreds of years.
A newly discovered mammal species may have actually survived the dinosaur extinction. Researchers have found a beaver-like mammal that managed to outlast the dinosaurs about 66 million years ago