Get all the news you need in your inbox each morning. So how does a shark egg appear, seemingly out of the blue? Here's what aquarium staff think. There are two possibilities for how the swell ...

There are nearly 30 species of shark found in UK waters, but the blue shark is certainly one of the most impressive. With the white underbelly contrasting with its cobalt blue upper body ...

So how does a shark egg appear, seemingly out of the blue? Here's what aquarium staff think. There are two possibilities for how the swell shark may have come to be, aquarium staff said.