A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

By Liz Kimbrough A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, ...

It's peak bulking-up season for white sharks in Monterey Bay, and over the past week, two animals previously tagged by ...

One study from 2015, found that 70% of gifts are duds. No matter. The wrapping keeps the female occupied as the male mounts ...

From the first sighting of a colossal squid in the wild to a seriously goofy octopus, 2025 delivered some astounding photos ...

Dynamic mounds made of methane at a depth of some 3,640 meters act like “frozen reefs” for a bizarre array of deep-sea ...

Lionfish have taken over parts of the Gulf and Caribbean, but one group in Texas is trying to put a dent in the species' ...

As the pink dolphins glided above gentle waves, their pale pink bodies were clearly visible against the grey-blue surface of the water.

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have ...

The orange-clubbed sea slug is "a small colourful sea slug that can be found grazing on sea mats on the rocky shore. They are ...

Beneath the waves are millions of dangerous sea creatures – and they exist on every continent, from Oceania to Asia and Central America. We’ve ranked the top 20, in order of their deadliness to humans ...

Or do you test their ability to recognise themselves in the mirror-like a cleaner wrasse (which suggests self-awareness), wait for a snack like a cuttlefish (which shows self-restraint) or solve a ...