But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Mark Medley is The Globe and Mail’s Deputy Opinion Editor. He is the author of Live to See the Day: Impossible Goals, ...

MICHAEL J. BUSTAMANTE is Emilio Bacardí Moreau Chair in Cuban and Cuban-American Studies at the University of Miami and the author of Cuban Memory Wars: Retrospective Politics in Revolution and Exile.

In the middle of it all is Mina Mitry, Kepler’s chief executive officer and co-founder, preparing to blast the first batch of ...