A rare comet last seen in the Stone Age is lighting up the night sky this week. Here’s how to view it

Scientists predict that Comet Tsuchinshan-ATLAS will appear at its brightest tonight and reach its closest point to Earth this weekend.

Our galaxy is packed with wonders and mysteries—and no, this isn’t a pitch for the next Star Wars series. We’re talking about a real-life event that only happens once every 80,000 years in the Northern Hemisphere, so maybe try not to miss it: A comet not seen since the Stone Age is going to light up the night sky beginning tonight through the end of the month.