They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty millenniums later, our ancient human cousins ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the ...

For the second year in a row, the US has surpassed 25,000 whooping cough cases — another sign of the risks of falling vaccination levels.

Scientists trace an ancient microbe, Asgard archaea, that gave rise to humans, animals, and plants more than 2 billion years ...

Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can ...

The iconic Homo erectus fossil was welcomed home with a repatriation ceremony and a new museum exhibit in Jakarta.