New study indicates two potentially Earth-like exoplanets don't exist
Posted: Sat, Jul 5 9:53 AM ET (1353 GMT)
A pair of previously-discovered extrasolar planets that had the potential to be Earth-like may not actually exist, astronomers reported this week. Astronomers first...

Cygnus launch rescheduled for July 11
Posted: Fri, Jul 4 8:14 AM ET (1214 GMT)
Orbital Sciences Corporation has rescheduled the Antares launch of a Cygnus cargo mission to the International Space Station to July 11 after completing checks of...

Rockot launches communications satellites
Posted: Fri, Jul 4 8:03 AM ET (1203 GMT)
A Rockot launch vehicle placed into orbit three small communications satellites for the Russian government on Thursday. The Rockot booster lifted off from the Plesetsk...

Boeing and NASA sign SLS contract as core stage passes CDR
Posted: Thu, Jul 3 1:56 PM ET (1756 GMT)
NASA and Boeing signed a $2.8-billion contract to develop the core stage of the Space Launch System (SLS) heavy-lift rocket as that...

Inmarsat signs launch deal with SpaceX
Posted: Thu, Jul 3 8:49 AM ET (1249 GMT)
Mobile satellite communications company Inmarsat announced Tuesday it has signed a contract with SpaceX for up to three missions through the end of the decade....

Delta 2 launches OCO-2 spacecraft
Posted: Wed, Jul 2 8:32 AM ET (1232 GMT)
After a one-day delay, a Delta 2 rocket successfully placed a NASA Earth science satellite into orbit early Wednesday. The Delta 2 7320 lifted...

SSL wins contract for Spanish satellite
Posted: Wed, Jul 2 8:30 AM ET (1230 GMT)
Space Systems Loral (SSL) has won a contract to build a satellite for a Spanish operator, the companies announced Tuesday. SSL will build the Hispasat...

Pad glitch scrubs Delta 2 launch
Posted: Tue, Jul 1 8:43 AM ET (1243 GMT)
An issue with a sound suppression system on the launch pad postponed an early Tuesday morning launch of a NASA climate satellite by at least...

India launches five satellites
Posted: Mon, Jun 30 6:59 AM ET (1059 GMT)
An Indian Polar Satellite Launch Vehicle (PSLV) rocket successfully launched five foreign satellites early Monday. The vehicle lifted off on the PSLV-C23 mission at...

Test of Mars reentry technology a qualified success
Posted: Sun, Jun 29 9:58 AM ET (1358 GMT)
NASA declared Saturday's test flight of a Mars reentry technology demonstrator a success although the vehicle's parachute failed to fully open. The Low...