I like fantasy well enough, but what warms is science fiction. Preferably with rockets. Brobdinagian space battles (or at least the potential for same) are also a plus.
Here are a few recent novels that scratch that old-fashioned itch.
In the Black by Patrick S. Tomlinson (2020)
The Intersection War ended in stalemate and negotiated peace. In the seventy-five years since, neither humans nor alien Xre have seen fit to challenge that peace. Still, trust but verify (as the proverb goes): the Combined Corporate Defense Fleet exists to monitor any Xre feints toward human-controlled systems. The good ship CCDF Ansari has been assigned to the 82 Eridani system, where it watches over a net of sensor units monitoring for alien incursion.
Sensor drones go offline and Ansari double-checks the system; it finds a Xre vessel lurking just outside the formal border between human territory and interstellar space. The Xre are