Tag: Ancestors

Do black holes hide the secrets of their ancestors?

A black hole illustration with two black holes within one. Black holes are monstrous and monolithic regions of space and time that have captured humanity’s imagination. Some are created by the death and collapse of a massive star — yet no single star can birth the most tremendously large black holes. Those are the supermassive […]

Our ancient animal ancestors had tails. Why don’t we?

WASHINGTON (AP) — Our very ancient animal ancestors had tails. Why don’t we? Somewhere around 20 million or 25 million years ago, when apes diverged from monkeys, our branch of the tree of life shed its tail. From Darwin’s time, scientists have wondered why — and how — this happened. Now, researchers have identified at […]