Halley’s Comet Has Begun Its 38-Year Journey Back Toward Earth
Halley's Comet is one of the most fascinating astronomic events ever, with records dating back to a thousand years ago. It was last visible from Earth in 1986, and since it comes around every 75 to 79 years, its next sighting will take place in July 2061. And while that seems a while away, we can now start looking forward to its return.