U.S. West Coast observers are positioned to view the simultaneous transit of shadows cast by Jupiter's moons Io and Europa on its cloud tops. Approximately 40 minutes pre-sunrise, Jupiter will be ...
Looking for a sky event this week? Check out our full Sky This Week column. May 14: The Moon and Mars in the morning Jupiter ...
U.S. observers can catch the first of two transits of Titan’s shadow across Saturn this month — and one of the last few of the year, before cosmic alignment that allows the shadow to cross the cloud ...