Depending on your definition, the Earth features many "biggest" living things. Today we're looking at where they stack up against each other and figuring out why the largest organism on Earth appears ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

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 ...

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 ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

The largest organism on Earth is actually a honey mushroom, an underground web that covers more than 3.7 square miles in Oregon’s Blue Mountains. Yet mushrooms are poorly understood, and the ...

About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and ...

Why Trust Us? All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 million years after its formation.