Alaska doesn't really have any native dangerous spiders. But a few exceptions may occur, mostly around homes. Know what to avoid this summer.

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs.

Insects may not be your favorite type of animal but they are vital for the survival of our planet. Rather than being ...