In an unprecedented example of hunting specialisation, the ballista spider has evolved a silk-powered snare that targets just one species of ant, launching its prey into the air with astonishing power ...

Add Yahoo as a preferred source to see more of our stories on Google. Close-up of weaver ants (Oecophylla smaragdina), weaver ants or rangrang ants, macro weaver ants in a green foliage© ...

When most silk-spinning spiders hunt, they build a web and wait for prey to blunder into it. But a newly discovered species from Australia instead uses its silk to craft a spring-loaded, cone-shaped ...