More than 514 million years ago, long before dinosaurs roamed Earth, sponge-like creatures called archaeocyathids were ...

From its commanding perch nearly 5,000 feet above sea level, the ancient al-Qahira Castle has watched over Yemen’s third-largest city of Taiz for more than 800 years. It has witnessed empires rise and ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The first new species, Peltospira gargantua, was found on a black smoker chimney in the Hydra field at a depth of about 12,300 feet, researchers said.

In an apparent violation of Islamic tradition, an Ottoman-era grave in Israel's Negev desert holds the remains of not one, ...

Scientists are unraveling the mysteries of the ocean’s squishiest creatures—including one jelly that might be the oldest ...