Researchers have modeled sea level changes on thousand-year timescales for the past 540 million years. These insights offer better tools for mapping subsurface layers used in energy and waste storage.

While hopping between two of Spain's most famous coastal cities, stop in an under-the-radar beach town to explore ancient architecture and hidden coves.

This sunny Mediterranean island with crystal-clear waters and beaches galore can be visited year-round and is perfect for swimming and other water sports.

A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, ...