Long ago, Earth had animals that looked, moved, and lived very differently from those seen today. Some were gentle. Some were curious. Some trusted humans too easily. Sadly, a few of them disappeared ...

So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of years, but it keeps happening! Animals believed extinct that were found ...

The late 1900s were a time of rapid change for our planet, and unfortunately, some of its most unique inhabitants did not survive. Between the 1980s and 1990s, several animal species disappeared ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Defining the 'rarest animal in the world' is complex, often tied to human impact on species like the vaquita and giant ...

Bill Wasik and Monica Murphy's new book offers a history of the moral revolution on behalf of animals and ask us to honor the ...