A deep-space observatory has to wait yet another day before flying.
SpaceX called off Sunday's planned launch of a deep-space observatory—and a revolutionary rocket-landing attempt—after a critical radar-tracking system failed.
Nine years after leaving Earth, the New Horizons spacecraft is at last drawing close to Pluto and on Sunday was expected to start shooting photographs of the dwarf planet.
It's showtime for Pluto. NASA's New Horizons spacecraft has traveled 3 billion miles and is nearing the end of its nine-year journey to Pluto. Sunday, it begins photographing the mysterious, unexplored, icy world once deemed ...
A Navy communications satellite is bound for orbit.
SpaceX's Falcon 9 rocket lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station.
SpaceX's unmanned Dragon cargo ship arrived Monday at the International Space Station, carrying 2.6 tons of food and supplies for the astronauts at the orbiting research laboratory.
SpaceX is taking another crack at delivering supplies to the International Space Station and landing the rocket on an ocean barge.
SpaceX will try again Saturday to launch its Falcon 9 rocket, propelling the Dragon cargo ship toward the International Space Station and then attempting its first landing on an ocean platform.
A SpaceX rocket stands poised at Cape Canaveral, Florida, for a pre-dawn flight to the International Space Station.