A new mini-moon for Earth next year, two moon-sized exoworlds collided

We get a second moon, kinda, for a week in 2027. Also, a cosmic train wreck around another star

Author

Philip Plait
May 19, 2026

logo

Subscribe to Premium to read the rest.

Become a paying subscriber of Premium to get access to this post and other subscriber-only content.

Upgrade

A subscription gets you:

  • Three (3!) issues per week, not just one
  • Full access to the BAN archives
  • Leave comment on articles (ask questions, talk to other subscribers, etc.)
Already a subscriber?Sign in.