Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining ...

In a recent review published in the journal Nature Reviews Earth & Environment, researchers discussed the role of climatic shifts and vegetation changes in driving the evolution within the subfamily ...

That’s the compelling argument made by Caleb Scharf—author and senior scientist for astrobiology at NASA Ames Research in ...

A reconstruction of the crushed skull labelled Yunxian 2, which has features that are closer to species thought to have existed later in human evolution - BBC A digital reconstruction of a ...

Fossils unearthed in Ethiopia are reshaping our view of human evolution. Instead of a straight march from ape-like ancestors to modern humans, researchers now see a tangled, branching tree with ...

Imagine early humans meticulously crafting stone tools for nearly 300,000 years, all while contending with recurring ...

Imagine your distant forefathers. How do you see them? Are they defined by being hunters and provisioners? Do you envision them sitting calmly holding an infant in their laps while a fire sparks at ...

What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have applied themselves to questions like this, considering how AI will alter ...

Scientists find genetic mutation, millions of years ago. Oct. 12, 2011 — -- About three million years ago human predecessors embarked on a new course that would forever alter the evolution of our ...