Astronomers announced last week that they had completed a decade-long, meticulous effort to assemble a full portrait of our ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers don't ...

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 ...

Underground extraterrestrial oceans are one of the astronomical community’s staple points of speculation; from the lakes beneath Jupiter’s moon Europa, to those beneath Saturn’s Enceladus, the latest ...

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

Astronomers using the Hubble Space Telescope have discovered a fourth moon orbiting Pluto. Pluto - for the record - is still classified as a dwarf planet. Astronomer Larry Wasserman of Lowell ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away, ...