Gravity: Where Do We Stand?

Introduction.- Gravity: Newtonian, post-Newtonian and General Relativistic.- Newtonian Gravity and its classical tests (Equivalence Principle, Measure of G, 1/r2 dependence).- Gravitational Tests with Interplanetary Probes.- Probing gravity with second generation lunar laser ranging.- Fundamental physics with the LAGEOS satellites.- The role of binary pulsars in testing Gravity Theories.- Gravitational waves: theory, sources, detectors.- Possible low energy manifestations of strings and gravity.- Effective Field Theories with Lorentz Violations and their observational constraints.- Search for generic violations of Lorentz invariance in the Standard Model Extension formalism.- The MOND-TeVeS theory and the lensing results from the Bullet Cluster.