America is the land that holds many clues about the prehistoric past. North America has the biggest dinosaur track sites, which makes it the perfect place to find out more about what caused their end. From the Picket Wire Canyonlands in southeast ...

Approximately 66 million years ago, our planet was one-two punched, a new study suggests. The planet was initially struck by a space rock approximately six miles wide somewhere in present-day Mexico. The impactor, known as the Chicxulub, was among the ...

Venus is slightly smaller than our planet but very similar in mass, density, composition, and gravity. However, compared to Earth, Venus doesn’t have the right environment to sustain life. At least not for now. While our planet provides the right ...