"The guy should be fired on the spot,” Fauci said of Fox News' Jesse Watters

The world's most controversial body part gets scrutinized again

Studies suggest human behavior isn't as predetermined as some thought.

A French physician working in Cayenne, envied the “numerous plant cures” known to “Indians and Negroes.”

Koop wielded the previously low-profile post of surgeon general as a bully pulpit during his seven year tenure

Growing up in Newark with their dad in prison, the twin comedians learned to use humor to heal

Fertility experts urged to reduce number of embryos implanted

Scientists thought you needed an olfactory bulb to smell — then they discovered two unique women

Why are we so eager to obey authority, whether the boss, the TSA or the president? A new movie has some answers

Detaching Allison and Amelia was a seven hour operation conducted by a 40-person medical team

Why on earth is Trump’s America now pursuing another shameful alliance with an utterly anti-liberal force?

I gave birth to two girls, but only one survived. As I watch my daughter grow, I struggle to mourn the twin I lost

Lauren Slater's new book about 10 landmark psychological experiments has ignited a firestorm in the psychological establishment. But whatever her shortcomings as a reporter, Slater is asking profound questions about human nature and its limitations

Trump can't beat the coronavirus — so now he wants to use it as a weapon in the November election

The latest reproductive technology is just the next step on our sprint toward human cloning.