New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Fungus

A fungus is a type of organism that belongs to the kingdom Fungi and includes yeasts, molds, and mushrooms. Unlike plants, fungi do not perform photosynthesis; instead, they obtain nutrients by breaking down and absorbing organic matter from their surroundings. This makes them essential decomposers in ecosystems, recycling dead material and returning nutrients to the soil.

Fungi can be single-celled, like yeast, or multicellular, like mushrooms, with structures made of thread-like filaments called hyphae. These filaments form networks known as mycelium, which spread through soil, wood, or other organic matter to absorb nutrients. Some fungi form symbiotic relationships with plants, helping them absorb water and minerals, while others can be parasitic and cause disease in plants, animals, or humans.

Fungi have many important uses in medicine, food, and industry. They are the source of antibiotics like penicillin, are essential in baking and brewing, and are used in biotechnology and environmental cleanup. At the same time, some fungi produce toxins or cause infections that can be harmful to health. Fungi play a diverse and vital role in natural systems and human life.

Related Stories
 


Plants & Animals News

March 12, 2026

A rare encounter with a juvenile great white shark caught by fishermen in April 2023 has reignited scientific interest in the mysterious population of these apex predators in the Mediterranean Sea. By reviewing records spanning more than 160 years, ...
As deep-sea waters warm, scientists expected trouble for the microbes that help keep ocean chemistry in balance. Instead, researchers found that Nitrosopumilus maritimus can adapt to warmer, iron-limited conditions by using iron more efficiently. ...
Researchers have developed a high-tech system that rapidly scans ants and converts them into detailed 3D models. Using a synchrotron accelerator, X-ray imaging, robotics, and AI, the team scanned 2,000 specimens in just a week and produced models of ...
Scientists have revealed how the body’s microscopic cold sensor, TRPM8, detects both chilly temperatures and the cooling effect of menthol. The discovery finally shows how the sensation of “cool” works at the molecular level—and could ...
Koalas suffered a massive population decline that left them with dangerously low genetic diversity. However, new genomic research suggests their rapid rebound may be helping reverse some of that ...
Scientists have discovered a newly identified marine fungus that can infect and kill toxic algae responsible for harmful blooms. The microscopic parasite, named Algophthora mediterranea, attacks algae such as Ostreopsis cf. ovata, which produces ...
A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by younger whales. But as more mature males returned, ...
A sweeping new study of more than 2,000 insect species reveals a troubling reality: many insects may be far less capable of coping with rising temperatures than scientists once hoped. Researchers found that while some species living at higher ...
Scientists have uncovered a crucial weakness in the malaria parasite that could open the door to new treatments. Researchers identified a protein called Aurora-related kinase 1 (ARK1) that acts like a traffic controller during the parasite’s ...
Returning rescued slow lorises to the wild may sound like a conservation success, but a new study shows it can turn deadly. Researchers tracked nine released animals and found that only two survived, with most killed in territorial attacks by other ...
In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that wolves often muscle in on cougar ...
Even in the ultra-dry Atacama Desert, tiny soil-dwelling nematodes are thriving in surprising diversity. Scientists found that biodiversity increases with moisture and altitude shapes which species survive. In the most extreme zones, many nematodes ...

Latest Headlines

updated 12:56 pm ET