One lion clambers onto the giraffe’s back, while two others wrap themselves around his legs. The giraffe, seeming little fazed, tromps through the brush. The clingy method of attack is fairly ...

Experts say a "concerning" number of fireflies are threatened with extinction. Above, fireflies light up the sky in upstate New York. Raphaël De Cock was 9 years old the day he caught his first ...