Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more common.

Mars, Venus, Jupiter, Saturn and Mercury will shine bright enough for the naked eye to see, and you can catch glimpses of Uranus and Neptune with binoculars or a telescope.

Stars emerge from vast regions of gas and dust known as molecular clouds. These stellar nurseries, often spanning hundreds of ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.