The mouth of a parrotfish is shaped like a bird's beak. If you look closely, it is not a single bone. It is made of about ...

Future geologists may one day find an unmistakable signature of human activity in old reef sediments: coral rubble shot ...

In a fascinating new discovery, NASA’s Curiosity Rover has captured an image of a rock on Mars that closely resembles coral. This intriguing formation, observed on July 24, 2025, was photographed ...

There might’ve been life on Mars after all. Although it resembles a coral typically found at the bottom of the ocean, it was a piece of rock that a NASA spacecraft — Curiosity rover — recently ...

The Curiosity Mars rover photographed more rocks that are shaped like coral on the red planet's surface. Researchers said the rocks were evidence that at one point water was on Mars. The Curiosity ...