Where Is Halley’s Comet? Why 1986’s ‘Giant Snowball’ Will Cause Streaks Of Light This Month And When We Will See It Return Halley's comet is the most famous comet of all and yet it's not going to be visible until a spectacularly bright appearance in 2061. Luckily we can see tiny bits of it twice per year when its dust left in Earth's vicinity cause two meteor showers.