Shocks and Bubbles in a Deep Chandra Observation of the Cooling Flow Cluster Abell 2052

Shocks and Cavities from Multiple Outbursts in the Galaxy Group NGC 5813: A Window to AGN Feedback

Short Gamma Ray Bursts as possible electromagnetic counterpart of coalescing binary systems

Short Gamma-ray Bursts: the mass of the accretion disk and the initial radius of the outflow

Short Term Flux and Colour Variations in Low-Energy Peaked Blazars

Short timescale variations of the Hα double-peaked profile of the nucleus of NGC 1097

Short-lived star-forming giant clumps in cosmological simulations of z~2 disks

Shot noise and reconstruction of the acoustic peak

Should we doubt the cosmological constant?

Shrinking the Braneworld: Black Hole in a Globular Cluster

Signals From the Epoch of Cosmological Recombination

Signals of Inflationary Models with Cosmic Strings

Signals of the cosmological reionization in the radio sky through C and O fine structure lines

Signature of cool cores in SZ clusters: a multiwavelength approach

Signature of primordial non-Gaussianity of phi^3-type in the mass function and bias of dark matter haloes

Signatures of a Graviton Mass in the Cosmic Microwave Background

Signatures of black hole spin in galaxy evolution

Signatures of Primordial non-Gaussianities in the Matter Power-Spectrum and Bispectrum: the Time-RG Approach

Signatures of recent star formation in ring S0 galaxies

Signatures of Star Formation in Brightest Cluster Galaxies