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Scientists are questioning a mission that sent fossils to the brink of space, igniting a debate on ethics, intentions, and anthropological integrity.

There have been at least five occasions throughout history where the human race has been in danger of dying out. MailOnline takes a look at some of the reasons why.

A period of extreme cooling in western Europe may have driven away the continent’s earliest human species, researchers say.

A groundbreaking genetic study led by Chinese scientists has revealed that our ancient human ancestors teetered on the brink of extinction nearly a million years ago, with their population dwindling to approximately 1,280 individuals. About the study: Published in the journal Science on Thursday, the study utilized a novel computer model called FitCoal to trace the genetic lineages of 3,154 present-day human genomes. The scientists found that approximately 98.7% of our human ancestors were lost during a population crash approximately 900,000 years ago.

The population of early humans dwindled to around 1,280 individuals during a time of dramatic climate change and remained that small for about 117,000 years, the study said.