Multiple sitings of an unknown creature stirred concern and intrigue that a sea monster lurked in Maryland and Virginia's waters. Get any of our free email newsletters.

Historian Eric A. Cheezum talks about Chessie the sea monster at the Chesapeake Bay Maritime Museum in St. Michaels on Feb. 6. MAGGIE TROVATO/STAR DEMOCRAT Facebook ...

The name harkens back to the legend of a sea monster who lives deep within the Chesapeake Bay. Sailors who have claim to have spotted this creature half a century ago described "Chessie" as a long ...

In the late 1970s and early 1980s, the Chesapeake Bay gained a mystery. Multiple sitings of an unknown creature stirred ...

It's been four decades, but a sea monster has been returned to the state after being stolen from Quassy Amusement and ...

The park said the sea monster, also known as a hippocampus by carousel enthusiasts, was taken on Nov. 16, 1985. It said a handful of collectors had been keeping an eye out for it. Its location was ...

Commonly known as the "black sea monster," the anglerfish is typically found at depths of up to 1,500 meters (4,921 feet) below the water's surface, where there is little to no sun. "This could be ...

The footage, captured in Spain's Canary Islands, shows the female fish, whose Latin name translates to "black sea monster," swimming through the light-filled ocean waters off the coast of Tenerife.

Now researchers have conducted the first detailed analysis of plesiosaur soft tissue, offering a more complete look at what these real-life sea monsters might have looked like when they lived from ...

A rare predatory fish which lives 2,000 metres below sea level has been spotted in broad daylight. Spanish shark researchers say they may have captured the first-ever footage of a black seadevil fish.