The biggest fungus, née organism in the world, occupies an area of 3.7 square miles. That’s about the same size as two ...

Seeing them from overhead for the first time, my heart sank. I could see how helpless the mother looked, and I could only ...

There is no uncontroversial explanation for their size, and scientists have numerous intriguing theories. The long necks of ...

The termites who built the mounds, in successive generations over several thousands of years, shifted a staggering 10 km 3 of ...

Well, not now – but a paper published in Genome Biology in 2006 concluded that after humans and chimpanzees cleaved from each other around 6 million years ago, they continued to interbreed for at ...

Like other fish, seahorses change colour using small, sack-like organs known as chromatophores, which are embedded in their ...

Nile crocodiles can be found throughout sub-Saharan Africa, including in Tanzania. This astonishing footage shows two adults ...

Humans aren’t natural prey for sharks and it’s incredibly unlikely that sharks get a taste for humans after a bite ...

For a male hermit crab, sex is a dangerous business, says Stuart Blackman. With a penis tucked away safely within the coils of his shell, he must come out into the open to fertilise a female, which ...

Elephants are responding to poaching and human-wildlife conflict in unpredictable ways, and even an experienced guide can ...

Here, they saw up to 15 gloomy octopuses getting on with their lives. These individuals weren’t just living close to each ...

The colossal squid is the largest squid in terms of mass, weighing in at 495kg. The squid’s tentacles are only released when ...