Unusual octopus mating session captured in rare and comical footage filmed off the Indonesian island of Bunaken for new National Geographic show.

Shark sex is a bitey business, with males grasping females with their teeth during the act. The resulting wounds are helping scientists to figure out when and where sharks are doing the deed.

A stock image of an Indo-Pacific dolphin swimming (not the individual responsible for the recent attacks).

From the opportunistic "have-a-go" approach of octopuses to "accessory males" that supply female anglerfish with a lifetime of sperm, author Jon Copley explores the sex lives of deep sea creatures.

AI romantic companions can save some people from loneliness, but they also have a dark side.

Scientists on an expedition to the South Sandwich Islands near Antarctica have recorded horrifying videos of parasitic copepods feasting on the head of a deep sea rattail fish.

A beluga whale that was discovered wearing a suspicious harness in 2019 is on the move in search of other belugas. But it's heading in the wrong direction.

Photographs taken off Maui, Hawaii, show the first documented case of a male humpback whale sexually penetrating another male, with the latter appearing injured and covered in parasites.

Researchers discover ejaculation in male prairie voles triggers a cascade of neural activity in both sexes that helps them form strong bonds and monogamous relationships.

Built by the Norwegian startup 1X, the Neo Gamma humanoid robot is designed to complete mundane household tasks.

"Alien Sharks: Strange New Worlds" — part of the Discovery Channel's Shark Week — gives viewers an extraordinarily rare insight into how sharks mate in the wild.

Remotely operated vehicle on a research dive captures close-up video of a beady-eyed gulper eel with a parasitic copepod permanently attached to its body.

This hour-long documentary offers never-before-seen footage of orca hunting behaviour – here's how to watch 'Expedition Killer Whale' online and on TV.

Scientists in Japan have transferred data at 100 gigabits per second in high-frequency wavelength bands over a distance of 330 feet for the first time.

Licking a lollipop-shaped device can let you taste and smell nine flavors in VR.

A viral video captured in an unknown location and widely shared on social media in China shows a robotic dog and a drone firing fireworks at each other.

A parasitic worm that infects rats has established a new population in Georgia after previously being found in other southeastern states.

A free-swimming worm that can infect and kill dogs has been found in the Colorado River near the California-Arizona border.

A new standard for codecs used for haptics could revolutionize tele-health and online gaming.

A megapod of dolphins with thousands of individuals has been captured on video hunting flying fish off the coast of Costa Rica.

Footage shows the DEEP Robotics 'Lynx' model traversing on two wheels and four across tough terrain.

A canine baculum (penis bone) covered in red ochre may be from a long-lost Romano-British ritual.

A male humpback whale swam 8,106 miles (13,046 km) from the Pacific to the Indian Ocean, mingling with other whale populations and potentially having sex with them along the way.

Nature must think willies are funny, too.

A difficult-to-treat form of ringworm can spread via sex and has now been seen in the U.S.