A Marine and CIA agent explains why he has had enough.
A bottlenose has exhibited "the most durable social memory ever recorded for a non-human."
On a recent survey, just 74 percent of Americans said that the Earth revolves around the sun.
A new history vividly describes the agony and uncertainty of the journey west by America’s pioneers.
Why we choose partners who share our traits
For decades, poultry breeders have transformed the genomes of turkeys, creating ever-larger birds.