It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning we won’t have a chance to see it again until 2061. The comet is expected to appear in our skies around mid-June that year, Space.com reports, and remain visible into August.

The Orionid meteor shower peaks during a new moon, Comet Lemmon gets closest to Earth and a crescent moon slides past Mercury and Mars.

Comets Lemmon and SWAN are soaring past Earth in a rare cosmic treat. Here's best viewing times, tips and more in Pennsylvania and Delaware.