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 ...

Scientists rethink why giant insects once ruled the skies, finding oxygen may not explain their size or disappearance.

Spiders and insects are often considered pests. Some people would rather see the creepy-crawly creatures dead than buzzing ...

Prehistoric insects reached sizes far beyond anything seen today, driven by environmental conditions that allowed their bodies to grow larger than modern limits. Higher oxygen levels in the atmosphere ...

Three hundred million years ago, dragonfly-like creatures with wingspans stretching 70 centimeters patrolled the skies of a world nothing like our own. These griffinflies, as paleontologists call them ...

Parasitoid insects, unlike parasites, kill their hosts by consuming them during their larval stage. Most parasitoids are small wasps and flies, and they infect a wide range of insects and arachnids.

An international team of scientists spotted the color-changing insect on Barro Colorado Island in Panama. In the pitch black ...

Bugs are scary. But at least we can take solace in the fact that they’re small, right? Well, the goliath stick insect might have something to say about that assumption. Watch this video, if you dare.

Bugs? I’ve never been a fan. Just ask my husband about when a misguided fly gets in my kitchen – not good news for the fly! With other creatures, I take a more peaceful tact – I scoop them up and pop ...

A Kobe University study shows that small aquatic beetles survive catfish attacks by resisting ingestion inside the catfish's ...

A rare rainforest insect, Arota festae, starts life bright pink before slowly turning green, revealing a surprising ...

Here’s what compound eyes really do — and why flies see you in slow motion. A few centuries ago, scientists believed insects saw thousands of tiny, repeated images — like a kaleidoscope of candle ...