When the spaceship Viking encounters a variety of adversaries in the Asteroid Belt - including a prospector and his family, a cyborg, the solar system's greatest sculptor, and an evil industrialist - a confrontation begins that transforms the human solar system.

A hero without peer or scruples, Sam Gunn has a nose for trouble, money, and women, though not necessarily in that order. A man with the ego (and stature) of a Napoleon, the business acumen of a P. T. Barnum, and the raging hormones of a teenage boy, Sam is the finest astronaut NASA ever trained and dumped. But more than money, more than women, Sam Gunn loves justice—and he really does love money and women.

In a startling future that's coming closer every year, Chet Kinsman is an astronaut ace who has done everything one can in space - including commit the first murder. It's a secret he can never escape, not even on the moon, where he's head of the first U.S. lunar colony. A series of shocking yet strangely inevitable circumstances will force Kinsman to confront his hidden past and decide Earth's destiny. In a desperate countdown to nuclear annihilation, Kinsman will struggle against a deadly dilemma: if he rescues the world, he risks destroying himself.

Stoner knew. The fiery object hurtling toward the Earth was an alien spacecraft. But the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had shattered the world power balance, setting off a brutal struggle for supremacy that raged from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. The forces of fear and treachery would use any weapon at their command, from mind war to sabotage, to keep the world in darkness.

In 1912, at the height of World War I, brilliant Shakespeare expert Elizebeth Smith went to work for an eccentric tycoon on his estate outside Chicago. The tycoon had close ties to the US government, and he soon asked Elizebeth to apply her language skills to an exciting new venture: code breaking. There she met the man who would become her husband, groundbreaking cryptologist William Friedman. Though she and Friedman are in many ways the Adam and Eve of the NSA, Elizebeth's story, incredibly, has never been told.

Earth is an old planet, and her teeming masses are running out of resources - and time. It is up to men such as Jeff Holman to discover a haven for Earth’s millions. Altair VI is one such planet, and Holman is determined to transform this world into one where the human race can survive. Star probes long ago informed Earth that Altair VI had a flourishing ecology with one very tough beast at the top of the food chain, one that will have to be dealt with before the human colony ships arrive. The beast is not only tough, it is as smart as a man. Holman is faced with a soul-wrenching decision - for to make Altair VI habitable for humans, all native life must die.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

Jon Ryan is irreverent, cocky, funny, and walks with a swagger. The cocky fighter pilot turned astronaut is also Earth's only chance for survival. The planet Jupiter, thrown off orbit, will destroy Earth in less than a century. Jon volunteers for the most ambitious, desperate mission ever conceived: His consciousness must be transferred into an experimental android host, where he'll live an immortal - and lonely - life. Jon's only companion on his 50-year voyage is his ship's irritable AI.

When Van Tudor returns to his childhood home, he inherits more than the family farm. His grandfather used to tell him fantastic stories of spacemen and monsters, princesses and galactic knights. Little did Van realize, the old man's tales were more than fiction; they were real. Hidden beneath the old barn, Van’s legacy is waiting: a starship, not of this world. With his combat AI, an android bird named Perry, Van takes his first steps into the wider galaxy. He soon finds that space is far busier and more dangerous than he could have ever conceived.

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. 

Contains books one and two of Time Wars Last Forever. Jon Ryan is called back two billion years to save the Earth from an unprecedented threat. An alien clan is stealing time. It uses that time energy to power its quest to amass even more time. As the very real possibility of never having existed closes in on humanity, Jon must rally his ragtag forces to do the impossible, yet again. But how can you defeat an enemy who can cause you to never have lived?

Out of the blue, a young Space Fleet officer's dream becomes reality: He's made captain of a starship. Just in time for the return of humanity's most terrible enemy, after 50 years of peace. To survive against this enemy, Captain Tad Thatcher will have to do more than learn how to become an effective commander or how to wrangle his wayward crew. He will need to reinvent space combat. From scratch.

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.

They won't settle for mere victory. They want to exterminate us. Every last one of us. A surprise attack has sent the Star Alliance fleeing for its life. A remnant of a remnant, their meager fleet—all that remains alive—flees to what seems like a safe harbor: a forgotten backwater planet called Earth. Join ace fighter pilot Chase as he teams up with the modern-day militaries of Earth and fights the last battle for the universe.

As a sci-fi author with a hit TV show, I have a few ideas about what alien invaders are supposed to look like. In my stories, they’re technologically advanced monsters, with tentacles, and no faces. Turns out I was right about the technology. And about how angry they’d be. But the way they look is more terrifying than even I could have imagined. They look exactly like us. Because they are us.

Visionary space industrialist Dan Randolph is dead, but his protege, pilot Pancho Barnes, now sits on the board of his conglomerate. She has her work cut out for her, for Randolph's rival, Martin Humphries, still wants to control Astro and still wants to drive independent asteroid miners like Lars Fuchs out of business. Humphries wants revenge against Pancho, and, most of all, he wants his old flame, Amanda, who has become Lars Fuchs's wife.

Once, Dan Randolph was one of the richest men on Earth. Now the planet is spiraling into environmental disaster, with floods and earthquakes destroying the lives of millions. Martin Humphries, fabulously wealthy heir of the Humphries Trust, also knows that space-based industry is the way of the future. But unlike Randolph, he does not care if Earth perishes in the process.

Grant Archer merely wanted to study astrophysics, to work quietly as an astronomer on the far side of the Moon. But the forces of the "New Morality", the coalition of censorious do-gooders who run 21st-century America, have other plans for him. To his distress, Grant is torn from his young bride and sent to a research station in orbit around Jupiter, charged with the task of spying on the scientists who work there.

When the spaceship Viking encounters a variety of adversaries in the Asteroid Belt - including a prospector and his family, a cyborg, the solar system's greatest sculptor, and an evil industrialist - a confrontation begins that transforms the human solar system.

Despite Mercury's desolateness, there are still those who hope to find diamonds in the rough. Saito Yamagata thinks Mercury's position will make it an ideal orbit point for satellites that could someday create enough power to propel starships into deep space.

Master storyteller Ben Bova continues his multi-volume "Grand Tour" saga chronicling humanity's exploration of near space with Titan, a fast-paced thriller focused on the first manned mission to the Solar System's most intriguing world. Skillfully blending high drama, passionate characters, and daring speculation with the latest discoveries from the current Cassini/Huygens probe of Saturn's moon, Bova has crafted a heart-stopping tale of epic adventure on mankind's next frontier.

Seven years after the indomitable Doug Stavenger has realized his cherished dream of establishing a colony on the inhospitable lunar surface, Moonbase is a thriving community, a marvel of scientific achievement created and supported by nanotechnology: virus-sized machines that can build, cure, and destroy. But nanotechnology has been declared illegal by the home planet’s leaders, and a powerful despot is determined to lay claim to Stavenger’s peaceful city - or obliterate it, if necessary.

On a privately financed orbital habitat above the planet Uranus, political idealism conflicts with pragmatic - and illegal - methods of financing. Add a scientist who has funding to launch a probe deep into Uranus‘ ocean depths to search for signs of life, and you have a three-way struggle for control. Humans can’t live on the gas giants, making instead a life in orbit. Kyle Umber, a religious idealist, has built Haven, a sanctuary above the distant planet Uranus.

A wave of death is spreading through the Milky Way galaxy, an expanding sphere of lethal gamma radiation that erupted from the galaxy's core 28,000 years ago. Every world it touched was wiped clean of all life. But it's possible to protect a planet from gamma radiation. Now, guided by the ancient intelligent machines called the Predecessors, men and women from Earth seek out those precious, rare worlds that harbor intelligent species, determined to save them. 

We’ve found another Earthlike planet, but what secrets does it hold? The entire world is thrilled by the discovery of a new, Earthlike planet. Advance imaging shows that the planet has oceans of water and a breathable, oxygen-rich atmosphere. Eager to learn more, an exploration team is soon dispatched to explore the planet, now nicknamed New Earth.

A 21st century U.S. aerospace company has developed the first permanent human settlement on the Moon, made possible by major scientific breakthroughs, particularly in the practical use of nanotechnology. But conflict within the company's founding family and growing protests against the technology from radical environmentalists and religious fundamentalists on Earth put Moonbase in danger of closure