Opinion

Opinion A look back at the folklore of rabies in humans reveals ties to beliefs in werewolves, vampires and other monsters.

Opinion The arsenal of human screams has been honed over millions of years of evolution. Here's why we love blood-curdling screams.

Opinion From the Salem witch trials to today's "witch hunts," women are front and center because they are considered powerless and more easily swayed by demons.

Opinion A look at 4.5 billion years of Earth's history tells us that intelligence, including extraterrestrial intelligence, is unlikely to evolve.

Opinion The cryosphere is critical to Earth and its inhabitants, but it is vanishing as the planet warms.

Opinion Here's why computers will never be truly conscious.

Opinion Over the past few years, studies have indicated eating red is bad for your health, but a new study seems to reverse that. So what should you do?

Opinion More and more towns and cities across the country are electing to celebrate Indigenous Peoples' Day as an alternative to — or in addition to — Columbus Day.

Opinion Here's a look at why more women don't win more Nobel Prizes in science, an issue that involves women's exclusion from education and careers in science.

Opinion The diminutive size of the extinct human relative called the Hobbit, or Homo floresiensis, could come down to really fast evolution.