What is the key to happiness? We look at the science behind it.

From social connection to physical activity, is science any closer to finding the key to happiness?

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Ultra-rare 'rainbow clouds' light up the Arctic Circle like auroras in stunning new photos

Rare clouds that give off bright, multi-colored light like an aurora were recently spotted at multiple locations in the Arctic. But what causes them?

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Mini sun with simulated gravity could help prepare us for deadly solar storms

The tiny sun used sound waves to simulate the sun's swirling mass of plasma

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Unicorn-like blind cave fish discovered in dark waters deep in Chinese cave

Researchers stumbled across a bizarre species of blind cave fish with a mysterious, horn-like structure protruding from its head and a lack of scales or pigmentation.

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Egyptian mummies covered in gold are rare, and we may have just found the oldest

An ancient Egyptian mummy is the oldest covered with gold, but it's not the oldest ancient Egyptian mummy on record.

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Experience the virtual world like never before with the Meta Quest Pro, now $400 off

Float through space, conduct an orchestra, or play some basketball all from the comfort of your living room with the Meta Quest Pro, now down to just $1099.99.

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Apple Watch Ultra review

The Apple Watch Ultra is the best Apple Watch yet — but that doesn't mean it's for everyone.

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