Your home is crawling with life you can't see. Explore 18 fascinating microscopic beings that live in most houses, from dust mites to strange fungi.

Each day, coral reefs quietly reshape the microscopic world drifting just above them. As daylight fades and returns, the smallest ocean organisms - bacteria, algae, and single-celled predators - ...

Dr. Herdís Steinsdóttir deploying an instrument near the reef in Eilat to record water currents, allowing her to keep track of the direction of sea currents. A new study shows that coral reefs don’t ...