We could be the last humans to see the green comet passing Earth for the first time since the Ice Age. Here's how, where, and when to watch it.

• Astronomers recently discovered a green comet approaching Earth for the first time in 50,000 years.
• Here's how, where, and when to see Comet ZTF as it passes Earth in late January and early February.
• It'll be near Polaris — the bright, North Star at the tip of the Little Dipper — around January 30.

We could be the last humans to ever see the green comet hurtling past Earth from the outer reaches of the solar system in late January and early February.

C/2022 E3 (ZTF), or Comet ZTF for short — the name astronomers gave this space snowball after the Zwicky Transient Facility discovered it in March — hasn't been in our cosmic neighborhood since the last Ice Age.