Firing off a string of action snapshots like a sports photographer at a NASCAR race, NASA’s Hubble Space Telescope captured the rare occurrence of three of Jupiter’s largest moons racing across the ...

The Hubble Space Telescope has been surveying space since 1990 and has captured some interesting cosmic elements in action.

Scientists said Wednesday that they have used the Hubble Space Telescope to find oxygen-bearing minerals on the moon that could be used by explorers to produce breathing air, electricity and rocket ...

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When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego. What a behemoth! At the time I enjoyed using a ...

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

WASHINGTON (Reuters) - The Hubble Space Telescope has discovered a tiny fourth moon orbiting the distant icy dwarf planet Pluto, NASA said on Wednesday. The space telescope was searching for rings ...