Skeptic challenges notion that small-brained Homo naledi deliberately disposed of its dead.
The Neanderthal counterpart of the human Y chromosome, or male sex chromosome, appears to have died out.
First modern scans of people high on psychedelic drug has given researchers unprecedented insight into neural basis for its effects
Samsung has been granted a patent in South Korea for smart contact lenses intended for augmented reality content.
The mission has cancelled the spacecraft emergency, returning the Deep Space Network ground communications to normal scheduling.