Ocean
China sends naval forces to monitor US warship near disputed shoal
China accused a US Navy warship of illegally entering disputed South China Sea waters, while Taiwan reported a separate confrontation with a Chinese Coast Guard vessel near the Pratas Islands.
China militia boat spotted for first time off Taiwan's east coast, patrol finds
Nine Kazakh soldiers dead, seven missing after being swept out to sea during Caspian naval exercise
Countries still way behind on UN biodiversity targets, research shows
Mysterious 'encounters' keep happening: Norwegian sail boat severely damaged by orcas off the coast
Researchers prefer to speak of encounters and interactions rather than attacks and assume that the orcas do not act with aggressive intent.
Orca Tahlequah mourns loss of second calf, carries dead offspring again
Due to food scarcity, up to 69% of Southern Resident killer whale pregnancies do not result in viable calves.
A killer on the loose? 44 dead seals found since October still baffle German authorities
Preliminary investigations have ruled out natural causes of death for the seals.
The loneliest journey: Humpback whale goes on 8,106 miles journey to find new breeding grounds
The male whale may be increasing its reproductive chances by mingling with other populations.
5 miles below the ocean surface, there's an eyeless predator. Researchers named it 'Darkness'
The discovery marks the first known active large predator of its kind in one of the deepest oceanic zones.
Researchers imaging an ice-free Arctic, and it may happen much sooner than we thought
Researchers conducted over 300 computer simulations to project when this first ice-free day might occur.
With salmon hats, Orca fashion goes back to the 1980s
Photograph of orca J27 Blackberry with salmon on head marks first sighting of behavior in nearly 40 years.
Unique images shows orcas hunting, killing 18-meter-long giant whale shark using vicious technique
Researchers document coordinated attacks targeting sharks' pelvic area to access nutrient-rich organs.
In the 1960s, the ocean ‘quacked’. Scientists are close to finding out why
The researchers used an acoustic antenna, a group of hydrophones towed behind a ship, to detect and record ocean sounds from all directions.
In stunning footage, octopus shoots stones at predatory fish. Watch video
The behavior was so quick that the filmmakers had to play back the footage in slow motion to capture the shots of the octopus firing projectiles.
