Russia launches reconnaissance satellite
Posted: Mon, Jun 10 6:12 AM ET (1012 GMT)
A Soyuz rocket placed a sophisticated reconnaissance satellite for the Russian military into orbit on Friday. The Soyuz 2-1b rocket lifted off from the...

Dust traps may explain planet formation
Posted: Fri, Jun 7 8:18 AM ET (1218 GMT)
Observations of a protoplanetary disk around a star have given astronomers evidence to support models for the formation of planets. In a paper in this...

Ariane launches fourth ATV cargo spacecraft
Posted: Thu, Jun 6 9:29 AM ET (1329 GMT)
An Ariane 5 launched the fourth in a series of European cargo spacecraft bound for the International Space Station on Wednesday. The Ariane 5 ES...

Astronomers observe smallest exoplanet to date via direct imaging
Posted: Wed, Jun 5 8:56 AM ET (1256 GMT)
European astronomers announced this week the discovery of the smallest extrasolar planet to date that has been directly observed by telescopes. The planet, HD 95086...

Proton launches SES-6
Posted: Tue, Jun 4 7:21 AM ET (1121 GMT)
A Proton rocket launched a European communications satellite on Monday, using a longer but more efficient trajectory to place the satellite into orbit. The Proton-...

Lunar mascons linked to impacts
Posted: Sun, Jun 2 8:40 AM ET (1240 GMT)
Scientists have associated irregularities in the Moon's gravity field with impacts by asteroids and comets early in the Moon's history. In a paper...

Earth flyby asteroid has small moon
Posted: Sun, Jun 2 8:28 AM ET (1228 GMT)
An asteroid that passed several million kilometers from the Earth on Friday has its own small moon. Radar observations of asteroid 1998 QE2 by NASA'...

Radiation exposure on Mars missions could exceed safe limits
Posted: Fri, May 31 2:14 PM ET (1814 GMT)
Exposure to cosmic radiation on missions to Mars could exceed NASA's current limits for astronauts, scientists reported this week. Researchers used data collected by...

Planetary Resources to crowdfund space telescope
Posted: Thu, May 30 9:42 AM ET (1342 GMT)
Planetary Resources, a startup company that announced plans last year to prospect and eventually extract resources from near Earth asteroids, started a crowdfunding campaign Wednesday...

Soyuz brings new crew to ISS
Posted: Wed, May 29 6:38 AM ET (1038 GMT)
A Soyuz spacecraft carrying three new International Space Station crewmembers arrived at the station Tuesday night, less than six hours after launching from Kazakhstan. A...