Wreck believed to be warship that sank with over 500 sailors found
The HMS Hawke was torpedoed by a German U-boat on Oct. 15, 1914. Just 70 sailors survived.
Oceans
Extremely rare "doomsday fish" found off California coast
Oarfish have a reputation as harbingers of disasters — and this one was spotted just two days before a 4.4 quake rattled Los Angeles.
Drones setting a new standard in ocean rescue technology
The Oak Island Fire Department in North Carolina is using drone technology to improve ocean rescue operations, enhancing response times and safety for both victims and responders.
Inside the Olympic venue 10,000 miles from Paris: Tahiti
The village of Teahupo'o on the tropical island of Tahiti – nearly 10,000 miles away from the French mainland – will serve as the location for the Olympic surfing competition.
Italian archaeologists make stunning underwater discovery
The discovery includes "thousands of marble slabs" in "hundreds of different shapes" found in a submerged ancient city.
"Dark oxygen" created without photosynthesis in ocean, study finds
"Dark oxygen" refers to the oxygen created by nodules of metal on the ocean floor.
Surfer loses leg in shark attack in Australia
Doctors are rushing to reattach the leg of Australian surfer Kai McKenzie after he was attacked by a shark on Tuesday.
"Cocaine sharks": Predators off Brazil coast test positive for drug
Thirteen sharks tested for cocaine and benzoylecgonine were found to have the illicit drug in their muscles and livers.
3 weird shark species to know: Wobbegongs, goblins and vipers
They're elusive, they push their jaws out of their mouths and they have beards of fleshy tassels – and they're all hiding in the depths of the sea.
These cannibal baby sharks eat their siblings in the womb
"That's how we get apex predators," one expert at the Long Island Aquarium told CBS News. "The strongest will survive."
Cannibal baby sharks eat siblings in the womb
Baby sand tiger sharks fight to the death before they're even born. Here's what to know about intrauterine cannibalism.
How to stay safe from the biggest danger at the beach
The greatest danger lurking in the waves at the beach this summer isn't a shark — it's a rip current.
Investigation into Titan sub taking longer than expected, Coast Guard says
Tuesday marks one year since the Titan sub lost contact about one hour and 45 minutes into its voyage to the wreckage of the Titanic.
Ship on which famed explorer died found on ocean floor
Ernest Shackleton was a legendary explorer who sailed to the edges of the Earth and died on a voyage to Antarctica.
Massive "grave slabs" recovered from UK's oldest shipwreck
The centuries-old Mortar Wreck was discovered off the coast of Dorset, England in 2020.
Cleaning up the Great Pacific garbage patch
Approximately 1.8 trillion plastic pieces are estimated to be floating in a patch of the world's ocean, equivalent to 250 pieces of debris for every human in the world. Ahead of World Ocean Day, CBS News' Danya Bacchus shows how two organizations are teaming up to clean up the ocean.
New efforts to clean up ocean waste help wildlife — and fight microplastics
Removing the plastic now helps to stop it from degrading and shedding additional microplastics into the ocean, which can enter the food chain and eventually end up in the human body.
Study: Climate change killing summer oysters
A recent study from the University of Washington suggests that rising summer temperatures threaten triploid oysters, specifically bred in the 1970s to be more resilient to harsher environments. Despite that, researchers found that triploids die nearly 2.5 times faster than other oysters when under heat stress. Neil Thompson, geneticist for the U.S. Department of Agriculture Agricultural Research Service, joins CBS News to unpack the findings.
Antarctica's "doomsday glacier" undergoing "vigorous ice melt," study finds
The "doomsday glacier" packs so much ice that if it were to completely collapse, it could singlehandedly cause global sea levels to rise by more than two feet.
Port of San Diego declares emergency after more invasive seaweed found
The algae species Caulerpa prolifera can choke out native seaweeds and put marine life at risk.
U.K. court rules on $43 million of treasure from WWII shipwreck
The SS Tilawa was carrying hundreds of passengers and thousands of silver bars when it sank in 1942.
Planet's deepest blue hole discovered but depth remains a mystery
Blue holes are considered an "oasis" for marine life — but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.
How innovative technology protects ocean life
More than 100 nations have agreed to protect 30% of the world's oceans by 2030. One way of doing this is to create what are known as Marine Protected Areas, where human activity is restricted or banned. Ben Tracy reports on how a mix of AI and satellite vessel tracking data can help.
Weapons chest and chain mail found in ancient shipwreck off Sweden
The wreck is "partly disintegrated," but some remnants have been "very well preserved."
Inside efforts to save sharks from extinction
Despite how terrifying sharks might seem, the creatures are critical to the survival of the world's oceans. Oceans generate 50% of the oxygen on the planet and absorb 90% of excess heat created by global warming. CBS News senior national and environmental correspondent Ben Tracy spoke with conservationists in the Bahamas.
Politics may have spurred August purge of 5 veteran FBI agents
Details are emerging about the possible motivation behind the firing of five senior FBI agents.
Noem says entire southern border wall will be painted black to stop climbing
Homeland Security Secretary Kristi Noem says the entire southern border wall with Mexico is being painted black to deter illegal immigration, at President Trump's request.
Hurricane Erin could bring "life-threatening" surf, rip currents to East Coast
Meteorologists are closely tracking the projected path and forecast of Hurricane Erin, which is the first hurricane to develop over the Atlantic this year.
House committee to make Epstein files public after Justice Department subpoena
The House Oversight Committee intends to release the documents related to the Jeffrey Epstein case, a spokesperson said.
Trump admin. revokes clearances of 37 current and former U.S. officials
National Director of Intelligence Tulsi Gabbard said 37 current and former government officials are losing their security clearances.
Kilmar Abrego Garcia's lawyers ask judge to dismiss criminal charges
Kilmar Abrego Garcia — who was wrongfully deported to El Salvador only to be brought back to face smuggling charges — asked a federal judge to dismiss his indictment.
Nebraska governor announces plan for immigrant detention center
Nebraska Republican Gov. Jim Pillen announced plans Tuesday for an immigration detention center in a farming area in the state's southwest corner.
6 severed heads found on road with message about revenge
Messages are often left on victims' bodies by cartels seeking to threaten their rivals or punish behavior they claim violates their rules.
Fiery bus crash kills dozens of migrants just deported back to Afghanistan by Iran
Seventy-six people were killed in a collision between a bus carrying Afghan migrants just deported by Iran and two other vehicles in western Afghanistan, officials say.