Rogue Exomoons
The search for exomoons orbiting rogue planets.
Galactic Bars and Faded Stars
New research shows that strong galaxy bars dramatically reduce star formation in galaxies.
Formation of the Galilean Moons
New simulations show that a chain of orbital resonances can reproduce the Galilean system
Formation of Red Dwarf Exoplanets
New simulations reveal the rapid formation of planets around low-mass, red dwarf stars.
A Matter-Antimatter World
An alternate model of cosmology behaves like modified gravity.