The problem with diffusion is that it’s notoriously slow. The oxygen constraint hypothesis argued that the larger the insect grows, the further the oxygen must travel to reach the deepest tissues. “As ...

Being able to reproduce both sexually and asexually gives the dragons an evolutionary edge, Garcia says. If no mate is handy, a female can bear sons parthenogenetically—and when they’re older, they ...

The latest clues hint at where pterosaurs — the first vertebrates to fly — came from, how they evolved, what they ate and more.

Scientists thought giant dragonflies couldn’t survive in today’s atmosphere – but a study of dozens of insect species shows ...

Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...

Meet the thorny devil, a dragon-like lizard with a false head that lives in the scrubland and deserts of Australia.

I’m getting ready to leave my 20 plus pets while I head to Global Pet Expo with TikTok in Orlando, so I filmed everything I do before a trip. From grabbing feeders for my reptiles and feeding my rain ...