Strange New Worlds in the second mission compendium for Star Trek Adventures. It was released in October of 2019, and contains nine missions across the Star Trek Original Series and Next Generation eras.
From the publisher:
Strange New Worlds: Mission Compendium Volume 2 presents nine ready-to-play missions for Star Trek Adventures. Within this book Gamemasters will find the means to test their Starfleet officers while encountering a variety of strange new worlds and the lifeforms they contain.
Solve the mystery of a viral plague among a population of aliens who attempted to remove the virus by constructing a mammoth artificial ring around their planet
Explore an ancient doomsday seed vault on a barren, ice-covered world
Investigate strange events occurring in and around a massive ancient ‘skyhook’ gathering resources from a Jupiter-like gas giant
Determine how two separate species might have been caught together in an extinction-level event
Visit a strange disk made of hyperdense matter and attempt to survive the wholesome and lethal diversions it offers
Defuse a potentially violent situation on a neutral pilgrimage world
Encounter a renegade Ferengi on a planet with a sentient living ocean
Respond to a distress signal from a doomed Vulcan expeditionary team
Determine why a research facility in the Cardassian demilitarized zone has suddenly fallen silent