Earth Matters

12 breathtaking images from the Sony World Photography Awards

Development threatens Beirut's largest swath of public parkland

Famed Azure Window arch in Malta is no more

Scientists capture first footage of rare True's beaked whales

Why does rain smell?

Azaleas are the talk of the town as Masters Week approaches

Will a 'Day Without A Woman' have an impact?

Blue-footed boobies use their distinctive feet for courtship and parenting

Which of these Smithsonian contest images do you like the best?

Why are pandas black and white?

These little piggies got saved from a fire

What's the difference between a salamander and a newt?