Opinion

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.

Opinion Scientists found that the superbug MRSA had been gifted its antibiotic resistance from another microbe.

Opinion Psychotic experiences are more common than you might think and don't mean you have a mental health condition.