the ring current distribution and magnetic structure seen by Cluster during geomagnetic storms (open access) January 13 - Low-altitude electron acceleration due to multiple flow bursts in the magnetotail (open access) 2013 November 26 - Cluster takes a tilt at radio wave sources November 15 – On the relation between asymmetries in the ring current and magnetopause current (free access) September 20 - ESA's Cluster satellites in closest-ever 'dance in space' September 10 – Cluster shows plasmasphere interacting with Van Allen belts July 18 - Wobbly magnetic reconnection speeds up electrons July 2 - Cluster discovers steady leak in the Earth's plasmasphere May 2 - Cluster hears the heartbeat of magnetic reconnection April 15 - From solar activity to stunning aurora (ESA Space Science's image of the week) April 10 – Cluster finds source of aurora energy boost 2012 December 18 – The solar wind is swirly October 24 - Cluster observes a 'porous' magnetopause August 1 – Cluster looks into waves in the magnetosphere's thin boundaries July 2 - Hidden Portals in Earth's Magnetic Field (NASA science cast video) June 6 – Origin of particle acceleration in cusps of Earth's magnetosphere uncovered March 7 - Earth’s magnetic field provides vital protection February 27 - Northern lights mystery may be solved (Space.com) February 23 - Surprise Ions (Science News for kids) January 26 - Giant veil of cold plasma discovered high above Earth (National Geographic) January 24 – Elusive matter found to be abundant far above Earth (AGU press release) 2011 November 16 – Cluster reveals Earth's bow shock is remarkably thin September 6 – Ultra fast substorm auroras explained August 31 - 40 year old Mariner 5 solar wind problem finds answer July 5–10 - Aurora explorer: the Cluster mission exhibit at the Royal Society summer science exhibition 2011 July 4 – Cluster observes jet braking and plasma heating June 30 - 'Dirty hack' restores Cluster mission from near loss March 21 - How vital is a planet's magnetic field? New debate rises February 5 – Cluster encounters a natural particle accelerator January 7 - ESA spacecraft model magnetic boundaries 2010 November 22 - ESA extends the Cluster mission until December 2014 October 4 – Cluster helps disentangle turbulence in the solar wind September 1 - 10 years of success for Cluster quartet July 26 - Cluster makes crucial step in understanding space weather July 16 - Cluster's decade