Readers’ photos celebrate sunrises and sunsets, when the light is the most pleasing. Fifty-one photos were sent in; here are ...

The dwarf planet 1 Ceres is in conjunction with the Sun at 5 P.M. EST today. While this means we can't see Ceres for now, we ...

What’s the bright star in the west after sunset ... appearing as high in the sky as it ever can—in relative darkness. An illustration of the landscape of Venus. Venus is a counterpoint ...