An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

Most people have heard the saying, “A leopard never changes its spots.” It means someone is resistant to changing something about themselves, just as a leopard can’t change its iconic black ...

LIKE stars scattered across the sky, our world is decorated by extraordinary talents and geniuses in every field imaginable. The collective light created by ...

Can a leopard change it's spots? If he had been unfaithful once and really regretted it then he could perhaps be trusted again. But your fiancée has cheated on you four times in four years (and ...