Ariane 5 launches communications satellites
Posted: Tue, Jun 21 9:38 AM ET (1338 GMT)
An Ariane 5 successfully launched two communications satellites June 18 after several delays. The rocket launched from Kourou, French Guiana, at 5:40 pm EDT (...

Soyuz returns three ISS crew to Earth
Posted: Tue, Jun 21 9:36 AM ET (1336 GMT)
A Soyuz spacecraft carrying three International Space Station crewmembers returned to Earth early June 18. The Soyuz TMA-19M spacecraft landed in Kazakhstan at 5:...

Antares return to flight slips to August
Posted: Tue, Jun 21 9:35 AM ET (1335 GMT)
The return to flight of Orbital ATK's Antares launch vehicle is likely to slip to August. The company said June 16 that it is...

Falcon 9 launches two commercial satellites, but landing fails
Posted: Tue, Jun 21 9:34 AM ET (1334 GMT)
SpaceX successfully launched two communications satellites June 15, but failed to land the first stage. The Falcon 9 lifted off on schedule from Cape Canaveral...

LIGO detects second gravitational wave
Posted: Tue, Jun 21 9:32 AM ET (1332 GMT)
A gravitational wave observatory has detected a gravitational wave from colliding black holes for the second time, physicists said June 15. The Laser Interferometer Gravitational-...

Delta 4 Heavy launches NRO payload
Posted: Sun, Jun 12 1:09 PM ET (1709 GMT)
A Delta 4 Heavy successfully launched a classified payload for the National Reconnaissance Office Saturday. The Delta 4 Heavy lifted off from Cape Canaveral, Florida,...

Light pollution makes Milky Way invisible for a third of humanity
Posted: Sun, Jun 12 1:07 PM ET (1707 GMT)
A new analysis of light pollution finds that one third of humanity can no longer see the Milky Way because of bright skies. Astronomers released...

Proton launches Intelsat 31
Posted: Sun, Jun 12 1:06 PM ET (1706 GMT)
A Proton rocket successfully placed an Intelsat satellite into orbit Thursday despite an issue with the rocket. The Proton's Breeze-M upper stage released...

LISA Pathfinder results support gravitational wave mission
Posted: Sun, Jun 12 1:05 PM ET (1705 GMT)
The European Space Agency said initial results from its LISA Pathfinder mission far surpassed expectations and support eventual development of a space-based gravitational wave...

China launches remote sensing satellite
Posted: Mon, May 30 4:07 PM ET (2007 GMT)
A Long March vehicle placed Chinese and Argentine satellites into orbit May 30. The Long March 4B rocket lifted off from the Taiyuan Satellite Launch...