Far out in the Saturn system, a small world refuses to behave. Iapetus spins in a way that should not be so stable, wears a ...
Looking for a sky event this week? Check out our full Sky This Week column. January 13: Ganymede's turn to transit Ganymede is transiting Jupiter with its shadow as January 14 opens subsequently in ...
On August 29th, the waxing crescent Moon is positioned in Libra, approaching Scorpius; observations of the globular cluster M71 in Sagitta are recommended, noting its relatively loose structure ...