NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

Cliffhanger is one of a number of rides and other activities on the cruise line’s newest U.S. flagship, MSC World America.

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

Cliffhanger, the world's first overwater swing at sea aboard MSC World America, is a thrill ride like no other. Here's what ...

Researchers say they're seeing more of these colorful blobs growing on docks, but they're not the only invasive marine ...