Add Yahoo as a preferred source to see more of our stories on Google. The Sun's distance from Earth allows it to be habitable for life. DrPixel/Moment via Getty Images A popular model of evolution ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

WASHINGTON (Reuters) -Bipedal locomotion - walking upright on two legs - is a fundamental trait underpinning humankind's success. Scientists now have identified two innovations that occurred long ago ...

Carnivorous plants look like botanical oddities, but their behavior is not a gimmick. It is a precise evolutionary solution to surviving where soil offers almost nothing.

The chin is one of our most familiar features, yet scientists still debate why we evolved it. Here’s a breakdown of what we ...

Biologists at the University of Massachusetts Amherst have released the first broad-scale, comparative, fine-grained analysis linking the amplitude, or volume, of a bird's song to its vocal frequency, ...

Same-sex behaviors seem to be common among rhesus macaques. Charles J. Sharp via Wikimedia Commons under CC BY-SA 4.0 Humans aren’t the only creatures engaging in same-sex sexual activities. To date, ...

In honor of Darwin Day Feb. 12, CU Boulder evolutionary biologist Daniel Medeiros explains what we get right and wrong about Darwinism For evolutionary biologists, the big day is imminent. No, not ...

AMES, Iowa — A scientist frequently found on annual lists of "most influential," "living genius," and "the world's top thinkers" will speak at Iowa State University. Richard Dawkins, evolutionary ...