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Video: SpaceX lands rocket on drone ship for first time
SpaceX's Falcon 9 booster steered toward a first-ever landing on a drone ship floating 185 miles northeast of Cape Canaveral in the Atlantic Ocean minutes after blasting off from Florida with a space station cargo ship.

Photos: SpaceX cargo mission prepared for launch
SpaceX’s eighth operational cargo mission to the International Space Station is set for liftoff with nearly 3.5 tons of research investigations, crew provisions and an experimental expandable habitat for the International Space Station.

Live coverage: Space station robot arm captures Dragon supply ship
SpaceX's Dragon cargo capsule arrived at the International Space Station early Sunday with 3.5 tons of supplies and experiments, including an inflatable room to test out technologies for future use on deep space missions. British astronaut Tim Peake captured Dragon with the robotic arm at 7:23 a.m. EDT (1123 GMT).

SpaceX adds abort function for Dragon cargo flights
Taking a lesson from a launch mishap last June, SpaceX wrote coded commands for future Dragon cargo capsules to deploy their parachutes for an emergency landing in the event of rocket failures, starting with Friday's resupply flight to the International Space Station.

Timeline for the Falcon 9 rocket’s 23rd flight
SpaceX's Falcon 9 rocket will go from Cape Canaveral to low Earth orbit in 10 minutes Friday with a Dragon capsule heading for the International Space Station carrying nearly 7,000 pounds of supplies and experiments.

SpaceX ready to return to the space station
Ground crews loaded time-critical experiments, including 20 mice to help scientists study muscle atrophy, into SpaceX's commercial Dragon cargo capsule Thursday, a day before a launch planned from Cape Canaveral toward the International Space Station.

Mostly clear skies predicted for Friday’s SpaceX launch
Mostly clear skies and brisk westerly winds are forecast at launch time Friday afternoon for SpaceX's first resupply mission to the International Space Station in nearly a year.

Static fire complete in run-up to launch of SpaceX supply ship
SpaceX ran a Falcon 9 rocket through a customary preflight checkout Tuesday, filling it with super-cold propellants and firing its nine Merlin first stage engines in preparation for liftoff Friday on a resupply run to the International Space Station.

SpaceX hopes to sell used Falcon 9 boosters for as low as $40 million
SpaceX intends to cut the price of a Falcon 9 rocket launch by up to 30 percent when flying with reused first stage boosters, an achievement the company still hopes to demonstrate before the end of the year, SpaceX's president said recently.

Pentagon opens investigation into contracts with ULA
The U.S. Defense Department's internal watchdog has opened a probe into whether the Pentagon's contracts with United Launch Alliance were properly awarded after a former ULA executive implied the government rigged a recent procurement in favor of the company.