THE MUST reads
Demand for medical marijuana is at an all-time high, and that includes pet owners hoping to give their dogs cannabis or hemp-based products.
A 19-year-old zoo chimp named Azalea has a pack-a-day habit, but officials say she doesn't inhale.
New evidence shows the carnivorous marsupial's immune system can fight back against a nearly always fatal disease.
The Alaska site with thousands of dino tracks contains a new kind of hard evidence.
Monkeys in Brazil have been observed producing sharp-edged stone tools, but there's a catch: They don't know what to do with them.