The debate could reopen in 2030 when NASA’s Europa Clipper spacecraft gets the closest view of the icy moon’s surface.

A new study reanalyzing 14 years of Hubble data weakens evidence for water vapor plumes on Europa, though scientists say the ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

CNN — The Hubble Space Telescope has spied evidence of water vapor in the atmosphere around Jupiter's moon Ganymede, the largest moon in our solar system. The water vapor forms as the icy surface of ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...

Scientists are planning to use NASA's Hubble Space Telescope to observe next month's historic transit of Venus across the sun's face. But there's a twist. Researchers can't point Hubble anywhere near ...

Since it launched into space on April 24, 1990, the Hubble Space Telescope has been an invaluable instrument to astronomers in unraveling the mysteries of the universe. As it orbits the Earth from 340 ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it. Too ...