Swarm satellites head for new heights

Some tricky maneuvers are now under way to steer ESA’s trio of Swarm satellites into their respective orbits so that they can start delivering the best-ever survey of our magnetic field.

Hubble solves a galaxy puzzle in the constellation of Centaurus

The Universe often fools our eyes, offering the false impression that celestial objects are located at the same distance from Earth. 

NASA rocket undergoes successful test

NASA has successfully completed a two-minute, full-scale test of its DM-2 rocket motor - despite not knowing for sure whether it will ever actually be going anywhere.