Scientists are deploying autonomous environmental DNA (eDNA) samplers in the Colorado River to detect invasive species such as zebra mussels and smallmouth bass before they spread. The $30,000 devices ...

When most people try to picture the largest venomous snake in the world, the king cobra comes to mind almost immediately.

African rock pythons are the continent’s largest snakes, thriving in habitats from wetlands to savannas. These non-venomous constrictors use stealth and strength to capture prey ranging from rodents ...