More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

Linda McKinney is a myrmecologist, a scientist who studies the social structure of ants. Her academic career has left her entirely unprepared for the day her sophisticated research is conscripted by unknown forces to help run an unmanned - and thanks to her research, automated - drone army. Odin is the secretive Special Ops soldier with a unique insight into the faceless enemy who has begun to attack the American homeland with drones programmed to seek, identify, and execute targets.

The year is 2026. China has taken over as the world's largest economy, while the United States, mired in an oil shortage, struggles to adjust to its diminished role. Then, a surprise attack throws the US into a chaos unseen since Pearl Harbor. As the enemy takes control, the survival of the nation will depend upon the most unlikely forces: the Navy's antiquated Ghost Fleet and a cadre of homegrown terrorists.

The Martian meets Gravity when Army Pilot Vaughn Singleton, Earth’s last man, rushes to Area 51 in search of a spaceplane after he discovers the last woman is stranded on the International Space Station and barely alive - thus beginning a race against time. The event that wiped life from the planet started at the supercollider. It created a rift in space-time. The astronaut stranded aboard the space station, Commander Angela Brown, is a theoretical physicist who used to work at the collider.

Dieter Webber, a former Jump Armor pilot, lost his war. Years later as a broken ex-pat, half a galaxy away, the former combat pilot is haunted by the ghosts of the war and looming debts to organized crime. An encounter with an Android, Reis, serves as an invitation from his former commander to a reluctant escape: Mercenary work in her company, Valkyrie LLC.

NASA is about to launch Apollo 18. While the mission has been billed as a scientific one, flight controller Kazimieras "Kaz" Zemeckis knows there is a darker objective. Intelligence has discovered a secret Soviet space station spying on America, and Apollo 18 may be the only chance to stop it. But as Kaz races to keep the NASA crew one step ahead of their Russian rivals, a deadly accident reveals that not everyone involved is who they were thought to be. With political stakes stretched to the breaking point, the White House and the Kremlin can only watch as their astronauts collide.

Juan Cabrillo's first adventure with the Oregon - a state-of-the-art spy ship disguised as a nondescript lumber hauler - takes him and his crew into dangerous waters as they try to put Tibet back in the hands of the Dalai Lama by striking a deal with the Russians and the Chinese.

While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth.

Kurt Austin and his crew are back to slake their thirst for action as they attempt to drown an eco-extortionist's plan to control the world's freshwater supply. From deep within the Venezuelan rain forest emanates the legend of a white goddess and a mysterious tribe with startling technical accomplishments. Few believe the tribe exists, and even fewer suspect its deity can change the course of history.

The United Nations of Earth sent out the Forerunner ships to explore and colonize the four most promising star systems within 50 light-years of Earth. Forerunner One left Earth under the command of Captain Clayton Cross, heading for Trappist-1. After a ninety year journey to reach it, the crew encountered not only a habitable world, but alien life already inhabiting it, and dark secrets lurking beneath the surface. The revelation of who these aliens are and what they want proves more terrifying than promising, and Captain Cross is forced to make tough decisions that will affect not only his crew, but the fate of the entire human race.

When petty criminal Cal Carver is locked in a cell with a deranged, semi-naked cannibal, he suspects his life has hit its lowest point. He is mistaken. Abducted by aliens and whisked across the galaxy, Cal is thrown into a team of misfits and criminals and sent on a top secret mission for the president of Space. And that's when everything starts to go very, very wrong....

Once, a girl called Ace travelled the universe with the Doctor - until, in the wake of a terrible tragedy they parted company. Now, decades on, she is known as Dorothy McShane, the reclusive millionaire philanthropist who heads the global organisation A Charitable Earth. But Dorothy is being haunted by terrible nightmares in which she’s abducted to an alien world. Nightmares that begin just as scores of young runaways are vanishing from the dark alleyways of London.

What would the world be like without America? The attack only takes a few minutes to sweep from coast to coast. When it ends, nearly everyone on mainland USA is gone. Every policeman. Every housewife. Every trucker. Everyone. A continent free for the taking.... Ted MacInnis is a backup pilot on Air Force Two, over the Atlantic, when it happens. A warrior by nature, he can do little but listen as the radio signals from his homeland fade away and die.

Six minutes after takeoff, Flight 1421 crashes into the Pacific Ocean. During the evacuation, an engine explodes and the plane is flooded. Those still alive are forced to close the doors—but it’s too late. The plane sinks to the bottom with twelve passengers trapped inside. More than two hundred feet below the surface, engineer Will Kent and his eleven-year-old daughter Shannon are waist-deep in water and fighting for their lives.