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

Learn how ancient oxygen levels in the Paleozoic era were linked to giant insect size, and why that theory is now being ...

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

World’s Largest Cockroach: Megaloblatta longipennis, a true marvel of the tropical rainforests of South and Central America, holds the record as the world’s largest winged cockroach. Scientists have ...

Rare giant stick insects now command market prices exceeding $1,000 for a single adult. These massive insects possess a fragile physiology that contradicts their imposing physical size. Some giant ...

The extinct griffinfly had a wingspan of up to 70cm. Werner Kraus / Wikimedia , CC BY Insects first took to the skies about ...

Discovered in the rainforests of northeast Queensland, Acrophylla alta measures nearly 40 centimeters and weighs around 44 grams, about the weight of a golf ball. This female species, with large black ...

Many insects live in fresh water, or close to the sea in salt marsh and beach habitats. There are also several species of water striders in the genus Halobates, which live on the ocean’s surface, far ...