Probing dark energy with supernova searches -- Type Ia supernova models: Latest developments -- Are Type Ia supernovae standard candles? -- Cosmology with supernovae -- Intensive supernovae searches -- Cosmic structures, parameters & temperature anisotropies: Status and perspectives -- Measuring CMB polarisation with the Planck mission -- The Sunyaev-Zel'dovich effect and its uses -- An update on Archeops: Flights and data products -- Cosmological parameters: Where are we? -- Cosmological parameter estimation with the galaxy cluster abundance -- Investigating clusters of galaxies with Planck and Herschel -- SZ scaling relations in galaxy clusters: Results from hydrodynamical N-body simulations -- The gas mass fraction in local and z > 0.7 galaxy clusters: constraints on cosmology -- Deep slices and the supercluster-void network -- Testing cosmological models using the kinematics of high redshift galaxies -- Cosmological constraints from the redshift distribution of galaxy clusters -- The topology of the 2-degree field galaxy redshift survey.