Evolution
- Archaeology
Fossils hint hominids migrated through a ‘green’ Arabia 300,000 years ago
A once-green Arabia may have enabled Stone Age entries by Homo groups.
By Bruce Bower - Humans
A 90,000-year-old bone knife hints special tools appeared early in Africa
The discovery of a bone knife in a Moroccan cave points to the ancient emergence of specialized toolmaking in the region.
By Bruce Bower - Anthropology
Butchered bird bones put humans in Madagascar 10,500 years ago
Humans reached the island near Africa 6,000 years earlier than thought, raising questions about how its megafauna went extinct.
By Bruce Bower - Archaeology
This South African cave stone may bear the world’s oldest drawing
The Stone Age line design could have held special meaning for its makers, a new study finds.
By Bruce Bower - Archaeology
Stone tools put early hominids in China 2.1 million years ago
Newly discovered stone tools in China suggest hominids left Africa 250,000 years earlier than we thought.
By Bruce Bower - Anthropology
Foot fossil pegs hominid kids as upright walkers 3.3 million years ago
A foot from an ancient hominid child suggests that Lucy’s species, Australopithecus afarensis, walked early in life.
By Bruce Bower - Anthropology
Modern chimp brains share similarities with ancient hominids
MRIs suggest certain brain folding patterns don’t mark ancient humanlike neural advances after all, raising questions about hominid brain evolution.
By Bruce Bower - Anthropology
Ancient climate shifts may have sparked human ingenuity and networking
Stone tools signal rise of social networking by 320,000 years ago in East Africa, researchers argue.
By Bruce Bower - Anthropology
Humans don’t get enough sleep. Just ask other primates.
Short, REM-heavy sleep bouts separate humans from other primates, scientists find. Sleeping on the ground may have a lot to do with it.
By Bruce Bower - Archaeology
Cave art suggests Neandertals were ancient humans’ mental equals
Ancient humans’ close relatives also created rock art and shell ornaments, studies assert.
By Bruce Bower - Anthropology
Human brains rounded into shape over 200,000 years or more
Ancient humans’ brains slowly but surely became round, scientists say.
By Bruce Bower - Humans
The story of humans’ origins got a revision in 2017
Human evolution may have involved the gradual assembly of scattered skeletal traits, fossils of Homo naledi and other species show.
By Bruce Bower