John Riley is a physicist who achieves his lifelong dream of unraveling the mysteries of anti-gravity, but along the way, also unwittingly discovers the secret of interstellar communication. When he and a small group of coworkers attempt to respond to an unexpected message, believing it to have originated from somewhere on Earth, they find more than they anticipate. The message is from deep space.

Dr. Tyson Klein is a quantum physicist who has dedicated his entire life to his research. At CERN, he analyses data generated by the Large Hadron Collider, the world's biggest and most powerful particle accelerator. Now, Ty believes he's found a pattern in its output. It looks like an organised data stream, being broadcast over what he calls a quantum radio. Could it be a signal from another universe? A message sent from the future? Or something else entirely?

Professor Kilmer, a renowned historian of war and diplomacy, is collected from his home and whisked off to Washington. Thrust into the highest levels of government as an adviser to the President, the young historian must come to terms with the seemingly impossible, figure out how to navigate a world where not everything is as it appears, and use all the skills and knowledge he has acquired in his life to help save humanity from a conflict of truly epic proportions.

Hadrian Blackwater, a warrior with nothing to fight for, is paired with Royce Melborn, a thieving assassin with nothing to lose. Hired by an old wizard, they must steal a treasure that no one can reach. The Crown Tower is the impregnable remains of the grandest fortress ever built and home to the realm’s most prized possessions. But it isn’t gold or jewels that the wizard is after, and if he can just keep them from killing each other, they just might succeed.

After a mysterious global event known only as “The Change”, six strangers wake up in an underground research facility where they learn that they’re part of the Extinction Trials - a scientific experiment to restart the human race. But the Extinction Trials harbors a very big secret. And so does the world outside.

From the Audie-nominated narrator of The Martian. In eleven years' time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

Where did mankind really come from? Why are we here? We can't understand the past until we embrace the future. These critical mysteries take center stage as Earth emerges into a galactic society that is far more perilous than anyone could have imagined. Our history is far more complicated than we could have known. Can a few brilliant minds find a way out for Earth?

Jack Kernigan is having a bad day...a bad year...a bad life. After being booted out of MIT, he’s back in his Ohio hometown, working for the family business, facing a life of mediocrity. Then one day, out on a delivery, his truck hits...something. Something big...something furry...something invisible. And, it turns out, something not of this Earth. Fate can play funny tricks. Which is why Jack suddenly finds himself the planet’s best hope to unravel a conspiracy of galactic proportions that could spell the end of the human race.

When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland - an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away. Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet.

Daniel Rice is a government science investigator whose specialty is solving seemingly intractable problems through scientific inquiry. But Daniel's intellectual strength is sorely tested by the bizarre realities he finds in the quantum world. Extra dimensions of space trap the unwary, probability replaces cause and effect, and time isn't what anyone imagined. The other side of the mirror is a place full of dangers, but it's also somewhere a dedicated scientist can uncover secrets that connect humans with something greater.

Isabella Rodrigues has been blessed with an abundance of charm and perseverance. She needed both to convince her fellow Georgia Institute of Technology students that storming Area 51 was a good idea.

Get ready to experience two more origin stories in the Backyard Starship universe.

When Jack Harrison climbed down the short ladder from the airlock and stepped onto the debris covered soil, the ground crackled with the sound of dried leaves and twigs.

Rex Walker always wanted to be like his father: a daring, adventurous man, traveling the world in pursuit of mysterious relics. While teaching anthropology at a Boston college, Rex attempts to bury the past, until he discovers a hidden clue he can’t ignore. With the help of a former student, he teams up with an alien-obsessed billionaire, and they search for the fabled Bridge. As an unidentified object nears Pluto, speculation surges. Some hail it as the homecoming of a distant alien race, and this cult is unwavering in their efforts to usher our world into a new era.

A scientist's claim that he's found the secrets of the universe's origin encoded in DNA sparks a race against time to uncover the truth in this fast-paced thriller of science and faith, power and murder, loss and redemption.

When DARPA's billion-dollar program to create artificial superintelligence is sabotaged, US operative Cameron Carr is tasked with finding the culprit. He's been on high-stakes missions before, but this time the stakes are nothing less than the future of humanity. Because the race to evolve a superintelligent computer is on, and power players around the world will stop at nothing to get there first.

When Nick Hall wakes up in a dumpster - bloodied, without a memory, and hearing voices in his head - he knows things are bad. But they're about to get far worse. Because he's being hunted by a team of relentless assassins. Soon Hall discovers that advanced electronics have been implanted in his brain, and he now has two astonishing abilities. He can surf the web using thoughts alone. And he can read minds. But who inserted the implants? And why? And why is someone so desperate to kill him?

Pilot X is Ambassador of the Alendans, a race with the ability to move through space and time as guardians of the timeline. Locked in ongoing conflict with the Sensaurians, an organic hive mind that can send messages in thought throughout its own history, and the Progons, a machine race who can communicate backwards in time, Pilot X finally manages to create peace among the three races.

Aliens are spying on Earth from one of the four worlds that make up the Warden Diamond. But it is impossible to send agents to any of the four worlds because of unique microscopic symbionts that make it impossible for visitors to leave the Diamond. Seeking a unique solution, each of the four worlds making up the Diamond is sent a person whose mind has been stripped of everything and who is now controlled by an agent of the Confederacy. Lilith is the first planet to be visited.

The first book in C.J.Cherryh's eponymous series, Foreigner begins an epic tale of the survivors of a lost spacecraft who crash-land on a planet inhabited by a hostile, sentient alien race. From its beginnings as a human-alien story of first contact, the Foreigner series has become a true science fiction odyssey, following a civilization from the age of steam through early space flight to confrontations with other alien species in distant sectors of space. It is the masterwork of a truly remarkable author.

Our universe is ruled by physics, and faster-than-light travel is not possible - until the discovery of The Flow, an extradimensional field we can access at certain points in space-time that transports us to other worlds, around other stars. Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It's a hedge against interstellar war - and a system of control for the rulers of the empire.

From the Audie-nominated narrator of The Martian. In eleven years' time, a million members of an alien race will arrive at Earth. Years before they enter orbit, their approach will be announced by the flare of a thousand flames in the sky, their ships' huge engines burning hard to slow them from the vast speeds needed to cross interstellar space. These foreboding lights will shine in our night sky like new stars, getting ever brighter until they outshine even the sun, casting ominous shadows and banishing the night until they suddenly blink out.

The Unincorporated Man is a provocative social/political/economic novel that takes place in the future, after civilization has fallen into complete economic collapse. This reborn civilization is one in which every individual is incorporated at birth and spends many years trying to attain control over his or her own life by getting a majority of his or her own shares. Life extension has made life very long indeed.

No one knows the true motives of Kees vaan Loo-Macklin. He's a mastermind criminal who gave up his place at the head of the dark underworld to become a legitimate member of Evenwaith's cities. But soon he was reaching out to powerful enemies - the slimy aliens called the Nuel. Loo-Macklin negotiates an illusory peace agreement and gains precious alien secrets in the process. Is he after peace, power or pure evil? With enemy starships beginning to amass, we won't have to wait long to find out.

Months ago Sarah Gallagher woke from a coma with psychic abilities she couldn't control. They changed her life and cost her the man she loved. And now, someone is playing games with Sarah's mind. It begins with Sarah's home being destroyed by fire - an act of arson that draws novelist Tucker Mackenzie into Sarah's confidence. But he has other reasons for pursuing a woman who can see what others can't. So does a mysterious enemy intent on eliminating Sarah, and everyone she cares about. Because it's only a matter of time before her visions lead her and Tucker to a secret many will kill to hide.

Will Stark is a self-made multibillionaire, happily married, and a proud father. He arrives home to find his house destroyed and his family murdered and is himself rescued from certain death by a mysterious trio. His rescuers are part of a splinter faction of a centuries-old secret society that has developed incredible technological advances and unlocked the method to release humanity's innate potential. Will was mistakenly believed to be a key dissident and fugitive, on the run from the primary group, known as the Aliomenti.

Four years ago, a bomb destroyed part of the dome protecting Armstrong, the largest city on the Moon. Now, as the city celebrates its survival with an event it calls Anniversary Day, a larger threat looms - one that begins with the murder of the mayor, and spreads across the moon itself.

From a remote corner of the galaxy, a message is being sent. The continuous beats of a pulsar have become odd, irregular, and artificial. It can only be a code. Frantically, a research team struggles to decipher the alien communication. And what the scientists discover is destined to shake the foundations of empires around this world - from Wall Street to the Vatican.

What lies on the dark side of the moon could change the course of humanity forever. When a Chinese rover discovers an alien technology on the dark side of the moon, it is up to Richard "Rock" Crandon and his NASA team of scientists and engineers to devise a way to return before the Chinese and Russians. Forced to deal with bureaucratic oversight and a complex team of personalities, Rock Crandon pushes his team to their limits.