The habitat of one of the world’s cutest endangered animals is being threatened by human-caused climate change. The Caspian ...

open image in gallery Caspian seals have been listed as an endangered species since 2008. Researchers say climate change could further impact their survival and their Caspian Sea home (©Central ...

Colossal Biosciences claims it has revived an extinct species, but scientists outside the company are skeptical.