Humanity has visited Uranus only once, and that was 30 years ago. NASA's Voyager 2 spacecraft got its closest look at the mysterious, distant, gaseous planet on Jan. 24, 1986.
Two astronauts aborted their spacewalk Friday and hurried back into the International Space Station after water leaked into one of the men's helmets in a scary repeat of a near-drowning 2½ years ago.
Scientists with NASA's New Horizons mission have assembled this highest-resolution color view of one of two potential cryovolcanoes spotted on the surface of Pluto by the New Horizons spacecraft in July 2015.
China will launch a mission to land on the far side of the moon in two years' time, state media reported, in what will be a first for humanity.
NASA's Juno mission to Jupiter has broken the record to become humanity's most distant solar-powered emissary. The milestone occurred at 11 a.m. PST (2 p.m. EST, 19:00 UTC) on Wednesday, Jan. 13, when Juno was about 493 million ...
Scientists initiated Friday a last-chance manoeuvre to contact a long-silent robot-lab dropped more than a year ago onto the surface of a comet hurtling through our solar system.
Gaze up into the sky and you'll see something rare. And, no, it won't be Santa. He and his reindeers will have already zoomed across the horizon.
NASA announced on Tuesday it has suspended the March 2016 launch of its InSight mission to Mars because of problems with a key scientific component.
NASA's Dawn spacecraft, cruising in its lowest and final orbit at dwarf planet Ceres, has delivered the first images from its best-ever viewpoint. The new images showcase details of the cratered and fractured surface. 3-D ...
Two American astronauts helped move a stalled rail car back into place outside the International Space Station on Monday, quickly finishing the primary job of an unplanned spacewalk before moving on to other housekeeping ...