After just 1 week, the first release from HBO’s new Harry Potter series is officially a global streaming success.

The final episode of Stranger Things aired on Dec. 31, 2025, but series creators Ross and Matt Duffer have been dreaming up ways to continue the show’s legacy with spinoffs since the end of season 2.

The most realistic picture yet of how galaxies formed and then evolved from the beginning of time has been revealed in a ...