Scientists shared transcripts with The Times in which chatbots described how to assemble deadly pathogens and unleash them in public spaces.

A new therapy has the potential to cure hundreds of diseases — and even reverse aging.

A visionary evolutionary biologist, he drew comparisons to Charles Darwin with his theories on the genetic roots of seemingly detrimental behaviors like self-deception.

Second Lt. Gene F. Walker was killed in Germany in 1944, nearly three months after his daughter was born. She learned in July that his remains had been identified.