Multiple rare sightings of wolverine in California confirmed
South Dakota zoo welcomes litter of "critically endangered" red wolves
Ancient mastodon tooth found by jogger on California beach
One-third of Florida properties at risk of severe flooding, but some residents unaware
Hurricanes and climate change: What's the connection?
New research hints that comb jelly may be Earth's oldest animal
New Titanic scans give insight into iconic shipwreck's sinking
Object that crashed into bedroom was 4.5 billion-year-old meteorite
