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Got old medication? National Prescription Drug Take-Back Day is April 29

Why work out when you can 'napercise' instead?

How do brown pelicans survive those death-defying dives into the ocean?

Do you know your wine bottle shapes?

You try getting 10 kittens to sit still for a photo

What to see in the night sky in May

Willie Ortiz has been quietly saving homeless cats for 22 years

Baby humpback whales whisper to their mothers, new recordings reveal

15 astounding facts about trees

2.4 billion-year-old fungus could rewrite our evolutionary heritage

Japanese retailer Muji is selling teeny-tiny vacation huts

David Attenborough 'coming to terms' with memory loss (but no, he's not retiring)