For centuries, massive teeth washing ashore left people wondering what kind of monster once ruled the seas. Those teeth belonged to the megalodon, the largest shark to ever exist. In this video, ...

Scientists in New Zealand have discovered what may be the biggest example of the species ever recorded—at more than 13 feet ...

'Thousands and thousands' of these curious creatures have been showing up on the Texas shoreline, expert says. What are they?

The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300,000 pounds. With its sheer size and strength, it has no natural predators ...

A new study led by scientists at Woods Hole Oceanographic Institution (WHOI), along with international partners, finds that ...

Some nights, when I should be doing something sensible or useful, I end up looking at pictures of blue whales and feeling very, very tiny. We talk a lot about the megafauna that are gone – mammoths, ...

The deep sea is home to some of the largest and strangest creatures on Earth. Scientists have long noticed a pattern of extreme size at great depths, but the reasons remain debated. Factors like ...

The ocean floor is becoming a massive plastic dump, with debris accumulating in deep-sea canyons and harming marine life.

​From skies filled with battalions of bats, oceans filled with feeding frenzies, to grasslands alive with herds in motion, ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

The bumphead sunfish (Mola alexandrini) is one of the strangest and most impressive giants in the ocean. With a flattened, ...