Earth was not always the blue-green world we know today: early Earth's oxygen levels were about a million times lower than we ...

At Egypt’s Elephantine Island, newly examined granite artifacts reveal machining marks that some experts believe couldn’t have been made with primitive tools. This video explores the most compelling ...

Digital reconstruction of a crushed skull from an ancient human could rewrite the timeline of human evolution, according to researchers.

10) Dropa Stones: The Dropa (or Dzopa) stones are part of a controversial and widely regarded as mythical story that blends ...