Some mathematicians have predicted when humanity’s downfall might occur—though the circumstances are unspecified ...

Scientists have issued a disturbing warning with the symbolic “Doomsday Clock,” which represents how close humanity is to ...

The Earth does not need to become much hotter before it becomes impossible for humans to survive. A study by atmospheric ...

Mass extinction is not just a theory; Earth has already gone through five of them, including the event about 65 million years ago that wiped out the dinosaurs. New research continues to warn that ...

Humans already intervene in nature through land use, climate impacts, and species management. The harder question is when intervention is responsible. Colossal frames de-extinction as a conservation ...