New research shows invasive species are reducing insect populations worldwide and weakening ecosystems people rely on.

The 100-million-year-old remains of an alien-looking female insect — complete with a triangular head and bulging eyes — have been discovered encased in a glob of hardened resin called amber. The tiny ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...