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Mystery of the ancient Nazca spiral holes may be solved

Groundbreaking research puts adorable saw-whet owls on the map — literally

Guy with too much time on his hands makes miniature Jurassic Park for his pet tortoise

Drones converge on Mount Fuji for a mesmerizing dance party

Lesson plans enlist the help of kids in solving the stray dog problem

9 famous rocks from around the world

Birds are teaching robots how to fly better

9 reminders why David Attenborough rules

Meet Mack, the dog who sniffs out trouble to keep Maryland's bees safe

How much do you know about birds and bees (and other pollinators)?

Icons of senior street style exude joie de vivre

5 facts about the incredible blue morpho butterfly