Book picks similar to
Universe in Danger by Raymond L. Weil


sci-fi
science-fiction
space-opera
raymond-l-weil

First Conquest


David VanDyke - 2013
    When Admiral Absen and the crew of EarthFleet's most powerful dreadnought Conquest are sent on a mission forty light years from Earth, none of them expect to return. But to find a home and keep humanity safe from hostile aliens, they must fight to seize a new world, initiating EarthFleet's first conquest of another star system.First Conquest is Book 1 of the Plague Wars: Stellar Conquest series, which carries the Plague Wars series forward a century into the future when humanity turns to the stars to find its destiny. It tells of a bitter battle as EarthFleet smashes into an alien star system in a desperate first strike to save humanity. Follow the starship Conquest as its captain and crew take the fight to Earth's enemies, finding allies and making heroic sacrifices in order to secure the future of Earth's solar system against a hostile universe.

Sentinel


Anthony J. Melchiorri - 2021
    He chooses the military. For the first time, he thinks he has a shot at a better life. But survival is not guaranteed. Leading an elite team of mech operators, he is deployed to a frozen planet called Ferrous where dangerous relics of a past war lurk beneath the ice and savage creatures prowl the barren wastelands. Scientists on Ferrous are chasing rumors of godlike technologies buried in the ruins of a long-extinct civilization. When Shaw and his team are assigned to protect the researchers, they face an unexpected, merciless new enemy desperate to stop them. An ancient secret has been awakened on Ferrous. The deadly race to claim this terrifying power has only just begun.

Noumenon


Marina J. Lostetter - 2017
    But one uncertainty remains: Where do we go? Astrophysicist Reggie Straifer has an idea. He’s discovered an anomalous star that appears to defy the laws of physics, and proposes the creation of a deep-space mission to find out whether the star is a weird natural phenomenon, or something manufactured.The journey will take eons. In order to maintain the genetic talent of the original crew, humankind’s greatest ambition—to explore the furthest reaches of the galaxy—is undertaken by clones. But a clone is not a perfect copy, and each new generation has its own quirks, desires, and neuroses. As the centuries fly by, the society living aboard the nine ships (designated “Convoy Seven”) changes and evolves, but their mission remains the same: to reach Reggie’s mysterious star and explore its origins—and implications.A mosaic novel of discovery, Noumenon—in a series of vignettes—examines the dedication, adventure, growth, and fear of having your entire world consist of nine ships in the vacuum of space. The men and women, and even the AI, must learn to work and live together in harmony, as their original DNA is continuously replicated and they are born again and again into a thousand new lives. With the stars their home and the unknown their destination, they are on a voyage of many lifetimes—an odyssey to understand what lies beyond the limits of human knowledge and imagination.

Resolute Command


James Prosser - 2013
    Humanity has been enslaved or scattered to the galaxy, hiding out in lonely systems far from home. A cry for help from an enemy ship prompts action from an unlikely group of refugees and a lone fighter pilot. This begins an epic adventure that will unite the remains of the human race and take them into the depths of the darkest soul.The battle for survival is underway and the War for Terra has finally begun.

The Fallen Race


Kal Spriggs - 2014
    The odds against their personal survival are slim. The time of humanity has come to a close. The great nations have all fallen, either to the encroaching alien threats or to internal fighting and civil war. The aliens who seek to supplant humanity, however, have not taken one thing into account: Lucius Giovanni. He and his crew will not give up – not while they still draw breath. If this is to be the fall of humanity, then the crew of the War Shrike will go down fighting...and in the heat of that fight, they may just light a new fire for humanity....

The Acheron: A Military Sci-Fi Series


Rick Partlow - 2020
    He signed up to escape the grinding poverty of the Housing Blocks. And the unlikely friends envisioned boring, peacetime careers as shuttle pilots. The Tahni Imperium had other ideas... Caught in the desperate fury of the Battle for Mars, the two young pilots wind up the last defense against an alien armada, but their war is just beginning. Recruited to fly the Fleet's newest weapon in this new war, they take the fight deep into the heart of the Imperium and battle not just against the enemy but against incompetent leadership and ineffectual tactics. Can the unconventional strategies of a pair of hotshot young pilots change the course of the war? And when the time comes that a choice has to be made between duty to command and loyalty to a friend, which of the two will be willing to make one last flight alone... From the author of the bestselling Drop Trooper Military Sci-Fi Series comes another tale of war against an alien menace known as the Tahni. Perfect for fans of Jay Allan, Jasper T. Scott, and Scott Bartlett. (less)

Star Soldiers


Andre Norton - 2001
    Dominant aliens allow humans to the stars only as mercenaries. Swordsman Kana and his comrades, betrayed by Central Command, march across hostile planet Fronn. Star Rangers 1953, The Last Planet 1955. 4K years later, telepath Kartr and Patrollers crash on a beautiful unknown yet familiar world and seek the source of a beacon to safety.

Skyship Thrive


Ginger Booth - 2019
    A moon full of settlers who cannot thrive. Mahina's terraformers built a high-tech urban paradise. Then Earth flooded the colony with desperate refugees, cop Sass Collier among them. The settlers who arrived with Sass died decades ago. Outside the citadel, their descendants die weak and young.Sass fought a rebellion against the city once. She won concessions to give the settlers a chance at health. She paid with 20 years in prison.Now she’s out, a reformed character. She assembles an oddball crew doing odd jobs. She intends to mind her own business – how to make a profit on the skyship Thrive.But her fellow settlers are still failing.While her business model careens toward circus acts, Sass dares to defy the city again, to solve Mahina’s failure to thrive.Pick up Skyship Thrive because you love upbeat character-driven SF with fun technology. Suggested for fans of Firefly or Nathan Lowell’s Solar Clipper books.

The Fringe Worlds


T.R. Harris - 2011
    Would you start kicking some ass? Of course you would!This is the story of Human superiority in the galaxy, a gritty, realistic profile of a young Navy SEAL who doesn't like aliens very much -- and he makes them pay for disrupting his happy life back on Earth!

The Enceladus Mission: Hard Science Fiction


Brandon Q. Morris - 2017
    (Kirkus) In the year 2031, a robot probe detects traces of biological activity on Enceladus, one of Saturn’s moons. This sensational discovery shows that there is indeed evidence of extraterrestrial life. Fifteen years later, a hurriedly built spacecraft sets out on the long journey to the ringed planet and its moon. The international crew is not just facing a difficult twenty-seven months: if the spacecraft manages to make it to Enceladus without incident it must use a drillship to penetrate the kilometer-thick sheet of ice that entombs the moon. If life does indeed exist on Enceladus, it could only be at the bottom of the salty, ice covered ocean, which formed billions of years ago. However, shortly after takeoff disaster strikes the mission, and the chances of the crew making it to Enceladus, let alone back home, look grim. From internationally best-selling hard science fiction author Brandon Q. Morris comes a new novel for hard science fiction enthusiasts. As a physicist and space specialist, Morris describes the journey of the international expedition through the hostile vacuum of space, using the latest scientific findings and technology trends as his inspiration. This isn’t a What If book, this is a When Will book.