Space News Archive - January 31, 2012

A Naval Research Laboratory scientist is part of a team that has recently discovered that vast clouds of hot gas are "sloshing" in Abell 2052, a galaxy cluster located about 480 million light years from Earth.

NASA said it is aiming for an unmanned test flight of its Orion spacecraft beyond lower Earth orbit in early 2014.

Roscosmos said on Tuesday that the launch of a new crew for the International Space Station has been postponed by about 45 days.

Researchers, uding NASA's Interstellar Boundary Explorer (IBEX) spacecraft, have measured neutral "alien" particles that have entered our solar system from interstellar space.