There wasn't much of note in last night's paper.

Literal

Last-night-of newspaper [in-には] notable articles [subject-が] too-much exist-not-[past-かった].

めぼしい ('conspicuous, notable, prominent') is a somewhat older i-adjective, not super-common in casual speech but found in writing and deliberate speech. It often appears in negative constructions ('nothing of note'). The composite 新聞には ('in the newspaper') stacks the place-に with topic は.