In July 2028 NASA launches a car-sized, 1,000-pound nuclear drone toward Saturn's moon Titan, a six-year, $3.35 billion trip to a world where the air is four times denser than Earth's, gravity is one-seventh as strong, and flying is the easy part.

Inside the High-Tech Effort to Keep Satellites Alive

Cameras attached to whale sharks capture krill chases never witnessed before

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SpaceX Falcon 9 launches Starlink satellites from West Coast

Scientists spot evidence of 2 huge companion stars that blew up

In microgravity, the human spine lengthens by as much as five centimetres, and astronauts come home temporarily taller than when they left, before gravity compresses the column again within days of landing

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This satellite image of a 'hummingbird' isn't what you think