Can Coupled Dark Energy Speed Up the Bullet Cluster?

Can dark energy be decaying?

Can dark energy evolve to the Phantom?

Can dark matter be a Bose-Einstein condensate?

Can dark matter be mostly massless particles?

Can Dark Matter be Ultra Heavy Particles ?

Can dark matter see itself?

Can decaying modes save void models for acceleration?

Can Deflagration-Detonation-Transitions occur in Type Ia Supernovae?

Can Deuterium Formation Be Measured?

Can differences in the nickel abundance in Chandrasekhar mass models explain the relation between brightness and decline rate of normal Type Ia Supernovae?

Can Discrete Sources Produce the Cosmic Microwave Radiation?

Can distributed acceleration explain the cosmic-ray N-15 abundance?

Can DNA bases be produced during molecular cloud collapse?

Can Doppler Peaks discriminate among Inflationary models and Topological Defect scenarios

Can dry merging explain the size evolution of early-type galaxies?

Can dust destabilize galactic disks?

Can dust emission be used to map the interstellar medium in high-redshift galaxies? Results from the Herschel Reference Survey

Can Dust Explain Variations in the D/H Ratio?

Can Dust Explain Variations in the D/H Ratio?