In 525 BC, the Persian king Cambyses sent 50,000 soldiers across the conquered Egyptian desert to take an oasis city not far from where the Libyan border stands today. According to Greek history, a hurricane-force sandstorm struck near the end of their 600-mile trek. The army - all 50,000 men - vanished without a single trace. Fast forward to 1986. A British archaeological team, sent to the edge of the Great Sand Sea to exhume evidence of the incident, has also gone missing.

Predator ships stream into human space in unprecedented numbers. The Colonial Marines, controlled by Weyland-Yutani, respond to the incursion, thus entering the Rage War. This terrifying assault by the Yautja cannot go unchallenged, yet the cost of combat is high. Predators are master combatants, and each encounter yields a high body count. Then, when Lt. Johnny Mains and his marines - the VoidLarks - enter the fray, they discover an enemy deadlier than any could imagine.

Alec works in the Detroit Overseer-factories, building a mysterious alien device. When three strangers appear, he's provided an opportunity to escape after years of servitude. Cole, a Freeborn loner, encounters Lina after her village is destroyed by the alien Occupation. Together, they make the arduous journey to a fabled safe-zone, trying to stay one step ahead of the enemy drones on their trail. Dex is a Hunter, working for the Occupation to track down escaped factory slaves, or Roamers, at all costs. But his latest hunt uncovers a massive secret.

Ranger Quinn thought that morning would be like so many others. A hangover, a day off before going back to work keeping the lower levels of Zion City safe from itself. But a crime so horrific, so brutal in its execution, turns those mundane expectations around. An investigation into the death of a senior leader in their underground utopia safe from the harsh radioactive wastelands beyond their walls forces Quinn beyond that safety and into the world outside.

Massively damaged in Aliens and Alien 3, the synthetic Bishop asked to be shut down forever. His creator, Michael Bishop, has other plans. He seeks the Xenomorph knowledge stored in the android’s mind and brings Bishop back to life—but for what reason? No longer an employee of the Weyland-Yutani Corporation, Michael tells his creation that he seeks to advance medical research for the benefit of humanity. Yet where does he get the resources needed to advance his work. With whom do his new allegiances lie?

2559. It has been a year since the rogue artificial intelligence Cortana seized control of the Domain, an otherworldly dimension housing a vast information network. With an array of Forerunner weapons at her disposal, Cortana set out to enforce an authoritarian peace on the civilizations of the galaxy. But as the United Nations Space Command flagship Infinity prepares to strike against Cortana at Zeta Halo, another plan has also been set in motion.

Johnnie Rico never really intended to join up—and definitely not the infantry. But now that he’s in the thick of it, trying to get through combat training harder than anything he could have imagined, he knows everyone in his unit is one bad move away from buying the farm in the interstellar war the Terran Federation is waging against the Arachnids. Because everyone in the Mobile Infantry fights. And if the training doesn’t kill you, the Bugs are more than ready to finish the job.

When the Imperial prison barge Purge—temporary home to five hundred of the galaxy’s most ruthless killers, Rebels, scoundrels, and thieves—breaks down in a distant part of space, its only hope appears to lie with a Star Destroyer found drifting and seemingly abandoned. But when a boarding party from the Purge is sent to scavenge for parts, only half of them come back—bringing with them a horrific disease so lethal that within hours, nearly all aboard the Purge die in ways too hideous to imagine.

The Covenant mission is the most ambitious endeavor in the history of Weyland-Yutani. A ship bound for Origae-6, carrying 2,000 colonists beyond the limits of known space, this is a make-or-break investment for the corporation - and for the future of all mankind. Yet there are those who would die to stop the mission. As the colony ship hovers in Earth orbit, several violent events reveal a deadly conspiracy to sabotage the launch.

The planet LV-363 teems with exotic life, including a plant growing in the shadows of its deep rifts. The plant’s flower yields a valuable narcotic, and people are forced by the cartels to harvest it. When a Yautja (Predator) ship arrives for a hunting ritual, the Predators seed the rifts with Xenomorph eggs. The aliens emerge and the result is bizarre and deadly hybrids, with humans trapped between the Predators and their prey. These deadly Xenomorph hybrids—some of which possess the ability to fly—swarm out of control and may prove more than the Yautja or the humans can defeat.