Speed Limits in General Relativity
Speed Meter As a Quantum Nondemolition Measuring Device for Force
Speed of gravity and gravitomagnetism
Speed of light in the extended gravity theories
Speed of light on rotating platforms
Spheres - Omni-directional multi-mode gravitational-wave antennas for the next generation
Spherical and planar three-dimensional anti-de Sitter black holes
Spherical Black Holes cannot Support Scalar Hair
Spherical black holes with regular center: a review of existing models including a recent realization with Gaussian sources
Spherical collapse of a heat conducting fluid in higher dimensions without horizon
Spherical Collapse of a Mass-Less Scalar Field With Semi-Classical Corrections
Spherical collapse of inhomogeneous dust cloud in the Lovelock theory
Spherical collapse with heat flow and without horizon
Spherical Dust Collapse in Higher Dimensions
Spherical excision for moving black holes and summation by parts for axisymmetric systems
Spherical Gravitating Condensers in General Relativity
Spherical Gravitating Systems of Arbitrary Dimension
Spherical gravitational collapse in N-dimensions
Spherical Gravitational Collapse with Heat Flux and Cosmic Censorship
Spherical gravitational collapse: tangential pressure and related equations of state