Delta 4 launches NRO satellite
Posted: Wed, Apr 4 8:14 AM ET (1214 GMT)
A Delta 4 rocket placed a classified military satellite into orbit on Tuesday. The Delta 4 Medium-Plus (5,2) lifted off from Vandenberg Air...

Supermassive black holes dine on binary star systems
Posted: Tue, Apr 3 6:59 AM ET (1059 GMT)
Supermassive black holes found in the cores of many galaxies grow in mass by capturing single stars from binary star systems that pass close to...

Long March launches communications satellite
Posted: Sun, Apr 1 9:32 AM ET (1332 GMT)
A Chinese Long March rocket successfully launched a French-built communications satellite on Saturday. The Long March 3B rocket lifted off from the Xichang Satellite...

Proton launches Russian military satellite
Posted: Sat, Mar 31 8:55 AM ET (1255 GMT)
The last of a venerable variant of Russia's Proton rocket launched a Russian military satellite on Friday. The Proton-K rocket lifted off from...

Red dwarf stars may host billions of habitable planets
Posted: Fri, Mar 30 7:18 AM ET (1118 GMT)
Astronomers studying a sampling of red dwarf stars have concluded that these stars may collectively have billions of rocky planets in their habitable zones. European...

Delta 4 launch delayed to Monday
Posted: Fri, Mar 30 6:56 AM ET (1056 GMT)
The launch of a classified satellite on a Delta 4 has been postponed to at least Monday to complete analysis of an upper-stage issue....

ATV docks with ISS
Posted: Thu, Mar 29 7:51 AM ET (1151 GMT)
A European cargo spacecraft successfully docked with the International Space Station late Wednesday. The Automated Transfer Vehicle (ATV) 3, also known as Edoardo Amaldi, docked...

Amazon founder finds Apollo 11 first stage engines
Posted: Thu, Mar 29 6:23 AM ET (1023 GMT)
The founder of Amazon.com announced Wednesday that an expedition he funded has found the first stage engines of the Saturn 5 rocket that launched...

Russian company orders two communications satellite
Posted: Wed, Mar 28 5:51 AM ET (0951 GMT)
A Russian satellite operator has ordered two communications satellites from Astrium, including one that will replace a satellite deorbited over the weekend. Astrium will build...

Lunar rock study raises new questions about Moon formation model
Posted: Tue, Mar 27 6:28 AM ET (1028 GMT)
Newly-published measurements of titanium concentrations in lunar rocks have led scientists to question the current model for the formation of the Moon. In a...