Europe's Galileo sat-nav system, a rival to America's GPS, should move closer to operation with the launch Tuesday of a fresh pair of satellites to join a dozen already in space.
Europe's latest Galileo satellites have been filled with fuel in preparation for their joint launch on a Soyuz rocket from Europe's Spaceport in French Guiana on 24 May.
Europe's latest navigation satellites, launched last December, have been officially commissioned into the Galileo constellation, and are now broadcasting working navigation signals.
Launched on 25 April from Europe's Spaceport in French Guiana, Sentinel-1B has produced its first images only two hours after the radar was switched on – a record time for a space radar.
Sentinel-1B lifted off on a Soyuz rocket, flight VS14, from Europe's Spaceport in French Guiana on 25 April 2016 at 21:02 GMT (23:02 CEST).
Einstein's theory of general relativity is to be put to the test by a newly launched satellite in an experiment that could upend our understanding of physics.
Europe will attempt to launch a Russian Soyuz rocket for the fourth time Monday after weather conditions and technical faults halted previous take-offs, launch service Arianespace said.
On April 22, the European Space Agency ESA will launch the Sentinel-1B satellite on top of a Soyuz rocket from Kourou, French Guiana.
The latest pair of navigation satellites has reached Europe's Spaceport in French Guiana, beginning a new Galileo launch campaign, which will culminate in a launch on 24 May.
The world's rarest species—both plants and animals—contribute disproportionally to the ecosystems where they reside, according to research published this week. This new information is changing how scientists view rare ...