A bizarre 400-million-year-old fossil may not be a plant, animal, or even a fungus. Known asPrototaxites, this extinct ...

What is the true longest-living life-form? Tortoises, whales, and trees are all likely to be the winners. However, some microscopic species are the answer for this. They have been alive since befo ...

Scientists are suggesting there may be a brand new type of life — or, at least, that one existed back in the day.

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...