Landing on Mars once felt like a distant dream. Now, space agencies have sent rovers and landers to explore the Red Planet ...

The grey patches are likely lichen, a combination of a fungus and an algae. It is harmless to you and the tree. It is common ...

Have you ever noticed the strange, colorful splotches clinging to rocks, tree bark, or even old fences after a rainy day?

Lichens have survived Martian conditions in an unprecedented scientific experiment. This discovery opens new perspectives on the possibility of extraterrestrial life. Lichens, these symbiotic ...

Algal blooms have many causes, but it's commonly chemicals in industrial fertilizers that end up in rivers and oceans in a ...