Contender was tagged on Jan. 17, 2025, near the Florida-Georgia border. Since then, he's pinged off the Treasure Coast twice.

Decades of research shows waves, wind and darkness would defeat containment efforts for much of the year, raising questions ...

Meet Contender. He’s nearly 14 feet long and 1,700 pounds, and took a 5,300-mile journey to Canada before returning to his favorite wintering grounds off the east coast of Florida.

Over 80 percent of the ocean has never been mapped, explored, or even seen by humans. However, if that freaks you out, don't ...

By Dennis Kelso Sentinel contributors Gary Griggs and Dan Haifley recently analyzed the history and current status of petroleum exploration and production along the California coast, which has ...

Explore the fascinating and lethal world of ocean brine pools, known as 'lakes of death,' which harbor unique ecosystems and ...

California learned the hard way that oil drilling and healthy oceans don’t mix, writes Dennis Kelso, a former UC Santa Cruz environmental studies professor who served as Alaska commissioner of ...

Mexico City, Mexico — Officials said a train accident in southern Mexico killed at least 13 people and injured dozens, halting traffic along a rail line connecting the Pacific Ocean with the Gulf of ...

Opposition is growing to the Trump administration’s plan to expand offshore drilling in the eastern Gulf of Mexico, including from some unlikely quarters. The conservationist nonprofit Friends of the ...

In December 2025, social media users shared an image of a frightful monster from the deep. The image, which appeared to show a giant octopus not far off a coastline, included text that read: "A drone ...

An 11.5-foot, nearly 800-pound great white shark named Ripple is breaking new ground by venturing deep into the Gulf of Mexico. His movements mark some of the first documented tagged white sharks to ...