Can an astrophysical black hole have a topologically non-trivial event horizon?

Can an observer really catch up with light

Can an underestimation of opacity explain B-type pulsators in the SMC?

Can angular momentum loss cause the period change of NN Ser?

Can annihilating Dark Matter be lighter than a few GeVs?

Can Any "Invariants" Be Revealed in Quasi-periodic Phenomena Observed From Sco X-1?

Can Astronomy Manage Its Data?

Can Astrophysical Gamma Ray Sources Mimic Dark Matter Annihilation in Galactic Satellites?

Can Asymmetry of Solar Activity be Extended into Extended Cycle?

Can axion-like particles explain the alignments of the polarisations of light from quasars?

Can bars be destroyed by a central mass concentration? I. Simulations

Can baryonic dark matter be solid hydrogen?

Can Baryonic Dark Matter BE Solid Hydrogen?

Can Baryonic Features Produce the Observed 100 Mpc Clustering?

Can be gravitational waves markers for an extra-dimension?

Can Be-9 provide a test of cosmological theories?

Can beta Cephei Variables be Modelled with Polytropes?

Can binary mergers produce maximally spinning black holes?

Can binary stars test solar models?

Can black hole accretion produce Li-7?