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

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

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 ...

Scientific consensus is that high oxygen levels allowed these humongous fliers to exist, but a new study throws that idea ...

DOUGLAS, Australia – A new species of stick insect discovered in a rainforest in northeastern Australia may be the heaviest insect ever found on the continent, according to researchers from the ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers exploring the wares of fishers in Vietnam have discovered a “supergiant” sea bug species that they've named for one of ...

GREENSBORO, N.C. — Have you heard the "buzz" about hornets in North Carolina? I saw a huge one -- one of many nesting outside of the laundry room window. Their appearance looked eerily similar to that ...

Giant mesquite bugs, imposing in appearance but harmless to humans, are coming down from their normal domain in the tops of mesquite trees because of the extreme heat — startling some people and ...

Q: Can you identify this insect? It’s beautiful, gentle and somehow makes me think of an acoustic guitar. There are perhaps 30 of them in the main crook of a tree at my home. Ar: These giant mesquite ...

Researchers exploring the wares of fishers in Vietnam have discovered a “supergiant” sea bug species that they've named for one of the most infamous movie villains of all time. The new find came after ...