Researchers in New Zealand found that a small species of shark makes noises with their teeth when touched by humans — and now ...

Locals often refer to the relatively small sharks, which grow up to five feet long, as "lemon fish" (not to be confused with ...

The clicking behaviour has been described in the new study as the first documented case of a shark deliberately making sound ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

Megalodon, the largest shark, was probably slimmer and longer than previously believed, a new study has revealed. Scientists now estimate the massive, extinct sharks might have grown up to 80 feet (24 ...

New research suggests that the prehistoric megalodon, the biggest shark known to have existed, was even larger than we thought.

a) Silhouettes of the lemon shark (Negaprion brevirostris), the great white shark ... Paleontologists often use partial fossils, such as vertebrae or teeth, to estimate the size of extinct animals. By ...

However, a new study published in Royal Society Open Science suggests that a common species from New Zealand could be making sounds deliberately, using its teeth. Carolin Nieder, the lead ...