Warnings that humanity is heading toward its own disappearance have shifted from the fringes of science fiction into mainstream research and public debate. Instead of vague prophecies, scientists now ...

Humans will likely go extinct eventually, leaving behind a planet that has to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a number of ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...