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Scientists discover a galaxy made almost entirely of dark matter

Meal kits are convenient, but what about the wasteful packaging?

Once divided, Balkan countries wage all-out war against litter

Swimming with dolphins may soon be banned in Hawaii

Zookeepers get clever to weigh animals

High school seniors customize assigned parking spots with clever murals

10 famous horses from history

Photo of elderly couple's heartbreaking goodbye is as sad as the story behind it

Earth gets a surge of new ocean sanctuaries

Ancient marsupial 'micro lion' discovered in Australia

Does your DNA influence your coffee consumption?

For marathoner and stray dog, it was love at first step in China