Earth Matters

This is why male black widow spiders prefer younger women

Toddler rescued by puppy after 3 days in Russian wilderness

How to plan a solar eclipse party

Reef fish sing a 'dawn chorus' like songbirds

This rechargeable battery lasts 400 years

Bumble bee to receive helping hand from Endangered Species Act

Police 'escort' bear on walking tour of Anchorage

10 of the scariest animal mouths out there

Why tiny tardigrades are nearly indestructible

How cougars can help save human lives

12 adorable animals that could soon be gone from the wild

15 fascinating facts about otters