Natural Line Width for Transient Excitations.
Natural Magnetogenesis from Inflation
Natural MHD Oscillations of a Neutron Star
Natural Modes of the Acoustic-Gravity Type in the Solar Atmosphere
Natural Neutrino Dark Energy
Natural Phantom Dark Energy, Wiggling Hubble Parameter $H(z)$ and Direct $H(z)$ Data
Natural Polarization Modes in Pulsar Magnetospheres
Natural Quintessence and Large Extra Dimensions
Natural Quintessence and the Brane World
Natural Quintessence with Gauge Coupling Unification
Natural radio lasing at Jupiter
Natural resolution limit
Natural Transfer of Viable Microbes in Space from Planets in the Extra-Solar Systems to a Planet in our Solar System and Vice-Versa
Natural Warm Inflation
Natural Wormholes as Gravitational Lenses
Naturality, unification and dark matter
Naturalness in emergent spacetime
Nature and completeness of galaxies detected in the Two Micron All Sky Survey
Nature and distribution of dark matter. I - Dwarf spheroidals and Milky Way
Nature and distribution of dark matter. II - Binaries, groups, and clusters