A quiet confession from Zosia exposes how the Others crossed Carol’s boundaries, turning a fragile romance into a catalyst for resistance.

If there's one thing 'Star Trek' loves, even in times of peace, it's a scrap between Starfleet and the Klingons.

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.