So-called dark energy, believed to play a role in the accelerated expansion of the Universe, will be studied in a major science mission to be launched later this decade, the European Space Agency (ESA) said on Tuesday.
The Iranian navy plans on deploying warships to the Atlantic Ocean as part of a programme to ply international waters, Rear Admiral Habibollah Sayari said in statements published Tuesday.
Private companies, aided by NASA's cash and expertise in human space flight, are rushing to be the first to build a space capsule to replace the retiring US shuttle in the next few years.
Two US astronauts were to step out on the last spacewalk of the shuttle era Tuesday at the International Space Station where Atlantis is docked on the final mission of the 30-year US program.
President Nicolas Sarkozy said Tuesday that France would withdraw a quarter of its 4,000 troops from Afghanistan by the end of next year, becoming the latest NATO power to downsize its combat mission in the war-torn country.
NASA is tracking a piece of Soviet space debris that could collide with the International Space Station, the US space agency said after the shuttle Atlantis docked on its final mission.