Most valuable Muppets toy on eBay isn’t a character you know

Among eBay’s highest-priced Muppets memorabilia are an original 1978 Swedish Kermit rookie card ($105,000) and an Elmo-themed ...

Where are Burmese pythons in Florida? They're moving north

Burmese pythons are an invasive species in Florida, primarily established in the Everglades and South Florida. These snakes ...

There’s a reason we don’t have birds the size of elephants: the mysterious story of how dinosaurs evolved – expert Q&A

Exactly how did birds evolve from dinosaurs? It’s a mystery that has been with us for more than 150 years, and ...