Ticks are parasites that bite and feed on humans and pets. They can spread Lyme disease and other infections. Here's what to ...

Invasive hammerhead worms are spreading in Texas, and have been spotted in Houston, Dallas, Austin and toward the coast.

A parasitic roundworm, usually found in brains of unlucky python snakes was recently surgically removed from a human. And ...

The 61-year-old man received a new kidney from a deceased donor after being diagnosed with “nephrosclerosis-related end-stage ...

Sea cucumbers spend their lives prowling the ocean floor, scavenging for food and generally minding their own business. We ...

Even after 20 million years of evolutionary separation, two tiny worm species show astonishingly similar patterns in how they ...

A shocking new study shows that 90% of freshwater fish in Southern California may be carrying parasites that can infect ...

Today's Bug of the Week raises the “ick” factor to a higher level. Looking like something out of a sci-fi movie, Vivivanne ...

Study finds that the pace of evolution in organisms differs depending on the type of cells involved. A new study finds that ...

Two species of worms have retained remarkably similar patterns in the way they switch their genes on and off despite having ...