Scientists have given a definitive answer on the age old debate of whether the chicken or the egg came first, and there ...

Provides protection from abrasion, as reptile moves over land. During the Carboniferous era, there were many amphibians; the first reptile evolved from labyrinthodont ancestor. Amniotic egg appears ...

Some snake species lay eggs, while others give birth to live young. Species that give birth to live young produce eggs as well, but the eggs hatch inside the mother. Most egg-laying species ...

And sometimes both like the green anaconda. Nearly all reptiles lay eggs. They also breathe air like we do, so those who live in water must come up for air. As reptiles are cold-blooded they need ...

Like many reptiles, titanosaurs began life comparatively tiny, hatching from eggs no bigger than grapefruits. The best data on titanosaur nests and eggs comes from a site in Argentina called Auca ...

Reptiles come in many different shapes and sizes. But all our wonderful. They have tough scales to protect their body, especially useful if you're a snake, slithering over sharp rocks. Britain's ...