Can you guess what Delaware's state dog is? Here's a hint: It's not a golden retriever.

Every year, millions of Methuselah or super generation monarchs overwinter in the oyamel fir forests of Central Mexico after a 3,000-mile journey from Canada. Then in spring, they start the whole ...

Cattle grazing at a nature reserve in the Yorkshire Dales has increased plant diversity by over 40% according to research by the University of ...

We explain bilateral gynandromorphism - seen in butterflies, birds, and crustaceans. Half the animal is female, and the other half is male.