Canada cancels Russian launch to protest Ukraine crisis
Posted: Sat, Apr 26 12:07 PM ET (1607 GMT)
The Canadian government has canceled plans to launch a small satellite on a Russian rocket later this year to protest the ongoing Ukraine crisis. Canadian...

SpaceX declares success in reusability test
Posted: Sat, Apr 26 11:55 AM ET (1555 GMT)
An attempt to soft-land the first stage of a Falcon 9 rocket in the ocean last week was a success, the company's CEO...

SpaceX files suit against Air Force regarding EELV contract
Posted: Fri, Apr 25 6:45 PM ET (2245 GMT)
The CEO of SpaceX announced Friday that the company had filed suit against the Air Force to protest a "block buy" contract it recently awarded...

Astronauts replace ISS computer in brief spacewalk
Posted: Thu, Apr 24 7:14 AM ET (1114 GMT)
Two NASA astronauts worked quickly Wednesday to replace a faulty computer on the exterior of the International Space Station on a relatively short spacewalk. Astronauts...

Data shows increased frequency of asteroid impacts
Posted: Thu, Apr 24 6:58 AM ET (1058 GMT)
The frequency of "city killer" asteroids striking the Earth is much higher than previously thought, according to data released this week by an organization seeking...

Dragon arrives at ISS
Posted: Mon, Apr 21 6:03 AM ET (1003 GMT)
The crew of the International Space Station grappled and berthed a Dragon cargo spacecraft that arrived at the station Sunday morning. The ISS crew used...

LADEE mission ends with lunar impact
Posted: Sat, Apr 19 8:46 AM ET (1246 GMT)
A NASA spacecraft wrapped up a several-month mission to study the Moon's dust environment by crashing into the lunar surface late Thursday. The...

SpaceX launches Dragon cargo spacecraft to ISS
Posted: Fri, Apr 18 7:23 PM ET (2323 GMT)
A Falcon 9 rocket successfully launched a Dragon cargo spacecraft Friday on a mission to ferry cargo to the International Space Station (ISS). The Falcon...

Astronomers discover Earth-sized planet in star's habitable zone
Posted: Fri, Apr 18 7:09 AM ET (1109 GMT)
Astronomers announced Thursday the discovery of a planet approximately the size of the Earth orbiting in the habitable zone of its star. The planet, Kepler-...

SS/L to build two JSAT satellites
Posted: Fri, Apr 18 6:48 AM ET (1048 GMT)
Space Systems/Loral (SS/L) has won a contract from a Japanese company to build two direct broadcasting satellites, the companies announced Thursday. SS/L...