A groundbreaking new study has pushed the timeline of life’s origin further back than previously thought. Researchers have ...

from microphotography to molecular biology, with which to examine the process of development in embryos. These new tools reveal that different descendants of a common ancestor do indeed usually go ...

LUCA, Earth’s first common ancestor, lived 4.2 billion years ago. Scientists now reveal it was complex, resilient, and may ...

In this evolutionary tree, species A and B share a recent common ancestor. Species A is therefore most similar to species B. Species F and G also share a recent, common ancestor, however this ...

What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps. In a world in which magical thinking persists in popular ...

The idea that humans shared a common ancestor with apes was a challenge ... meant he had plenty of time to pursue his real passion: biology. He spent much of his time collecting beetles and ...