'Recurrence' of polar CAP absorption

'Reflection function' for an infinite atmosphere in the case of incoherent scattering

'Relics' of the early universe and secondary ionization of pregalactic matter

'Return to equilibrium' for weakly coupled quantum systems: a simple polymer expansion

'Revolutionary' telescope gets green light

'Robert Burns and the aurora'

'Rosetta' - ESA's Planetary Cornerstone Mission

'Round the Clock Observations of the Q0957+561 A,B Gravitationally Lensed Quasar

'Santa Ana' winds and upwelling filaments off Northern Baja California

'Scale covariant' representation of quantum mechanics. Energy in scale-relativity theory.

'Schwinger Model' on the Fuzzy Sphere

'Sculptor'-ing the Galaxy? The Chemical Compositions of Red Giants in the Sculptor Dwarf Spheroidal Galaxy

'Seasoning' of latent damage trails in lunar samples

'Secret' impacts revealed

'Self-consistent' production of ion conics on return current region auroral field lines - A time-dependent, semi-kinetic model

'Sequences' and 'populations' of early-type galaxies

'Serpentine Emission' at the high latitude Antarctic station, Davis

'Shut down' of an atom laser

'SIGNAL' - Search for Intelligence in the Galactic Nucleus with the Array of the Lowlands

'Silent, upon a peak in Darien...'