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

South of Fall Creek by the edge of the woods, the moths would gather. They were, of course, drawn by light—set out by a ...

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 ...

Trillions of insects embark, largely unnoticed, on epic journeys every year across mountain ranges, deserts and seas, and it is only now, as their numbers suffer huge declines, that scientists are tra ...

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 ...

Each spring, billions of bogong moths fill southeast Australia’s skies. Fleeing the lowlands and trying to beat the heat, they fly roughly 600 miles to caves embedded in the Australian Alps. The moths ...

Not all moths are attracted to light, but many are, as are many other flying insects. Over the years, there have been several theories to explain this, including attraction to infrared and making an ...

For the average person, moths are a harmless but somewhat annoying species. They are commonly seen flying around lightbulbs at night and when they accidentally fly toward you, they can be easily ...

Researchers in China believe some nocturnally migrating insects, including highly destructive and invasive moths, use both ...

Add Yahoo as a preferred source to see more of our stories on Google. A bogong moth. (Dr. Ajay Narendra / Macquarie University) (Dr. Ajay Narendra) Each spring, billions of bogong moths fill southeast ...