Experts scour the Sacramento Mountains for the endangered checkerspot butterfly, last seen in the wild in 2022. Is it gone ...

The government has launched efforts to restore Inkungu, a rare indigenous timber tree species that was once on the brink of extinction. Known scientifically as Diospyros abyssinica, Inkungu is a ...

Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in ...