Disease has struck the rare Asiatic lions of Gujarat, and other new threats have put their recovery in jeopardy. What will it take to save them?

In her new book Poached, journalist Rachel Love Nuwer travels into the heart of darkness that threatens elephants and many other species with extinction.

A new study finds that large, charismatic species get the majority of research into felid and canid species, possibly at the expense of others.

A new study — the first of its kind — finds that the world’s conservation areas fail to protect hundreds of rare cactus species.

Researchers have identified a new tree species in Cameroon, but it only grew in a landscape that has now been destroyed by agriculture.

Populations of the green sea turtle, or honu, increased as the Hawaiian language made a comeback. Saving other languages from extinction could help protect biodiversity.

Books coming out this month also examine the dangerous world of wildlife trafficking, the history of poisonous chemicals and new ideas in agriculture.

How will rising temperatures affect your community? We mapped what the world will look like under current climate change projections.

As Washington state prepares to vote on a carbon tax, how is the one in Alberta, Canada, faring?

The extinction of the Christmas Island flea — and the current risk to other parasites — shows a major gap in conservation efforts.