Depending on your definition, the Earth features many "biggest" living things. Today we're looking at where they stack up ...

Weighing over 13 million pounds and covering more than 100 acres in Utah, this is the largest living organism on Earth - it's ...

The largest living thing on the planet is not a whale or any other animal you might expect. It is a giant fungus that kills anything in its path, currently taking up more than three square miles ...

Humongous Fungus, the largest living organism in America, spanning 2240 acres and weighing 35,000 tons. Explore its ...

Beneath the waters of the Solomon Islands lies the largest living being on Earth, a colossal coral colony that symbolizes ...

An curved arrow pointing right. The largest living thing on the planet is not a whale or any other animal you might expect. It is a giant fungus that kills anything in its path, currently taking ...

Have you ever wondered what the largest living organism on Earth is? Well, you might be surprised to learn that it's not a giant blue whale or a sequoia tree; it's a fungus! More specifically, it's a ...

Have you ever wondered what the largest living organism on Earth is? Well, you might be surprised to learn that it's not a giant blue whale or a sequoia tree; it's a fungus! More specifically ...

We investigated the bristlecone pine tree after William Adams from London asked us: "What's the oldest tree or other living organism on Earth?" If you've got a science question you want BBC ...

Stretching over 1,200 miles, Australia's Great Barrier Reef is the largest structure on Earth built by living organisms. Even for its size, it houses an incredible biodiversity -- literally ...