ScienceMilky Way Galaxy is just half as massive as Andromeda Andromeda is twice as massive as the Milky Way. Scientists say that Andromeda has twice the mass, made of dark matter, than the Milky Way.by Sumit Passary
ScienceCompanion planets increase Earth-like planets’ chance of life: All you need is love?by Rebecca Kaplan
ScienceMars 2020 rover by NASA will carry better laser, have x-ray vision and make oxygenby James Maynard