Bugs like the spotted lanternfly or tiger mosquito are invasive in many regions and cause chaos in ecosystems. They push out native species, destroy habitats, and deplete resources. But the study also ...

Popular culture imagines aliens as creatures made of flesh and bone — but some researchers argue that advanced civilizations would likely evolve beyond biology. Given millions of years of ...

Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking like one at all. The Peruvian jumping stick has a unique appearance for a ...

The findings suggest that if alien technologies exist, they are probably rare, distant, or long-lasting rather than frequent and nearby. Instead of expecting an obvious signal to appear soon, ...

The most beloved beings from strange new worlds.

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...