Prototaxites fossils continue to divide scientists. These 400-million-year-old structures may belong to a completely extinct ...

Artist Sam Van Aken's 'Tree of 40 Fruit' uses grafting to create wonder but also to preserve regional agricultural traditions ...

Under microscopes, scientists found that giant single-cell organisms were able to vacuum up more food when they are stuck together.

Scientists then leaned towards it being a giant fungus, but the classification remained uncertain. A 2007 study even ...