Four sci-fi short stories where you'll find good computers, people who regret their past, and an explanation for something you're familiar with.

A wandering alien life form seeks a compatible host to share its life. The life has lived for a long time and shared life with many life forms. Throughout the alien's life it is able to find suitable hosts for short periods of time and in other hosts life is hard and risky. Finally the alien life form travels to a planet and finds the perfect species to share its life with.

Hudson Powell and Tory Bellona are the galaxy’s top Star Scavengers. Travelling to distant planets, they hunt for valuable artefacts inside the wrecks of giant alien starships that mysteriously lie crashed and broken on every portal world.

The entire human population is attacked by a very suspicious virus. SIMPOC's programmer doesn't come in to work, that day, the next, or ever. The commander of the space station Oasis, Joan Herl, is forced to abandon the station because of dwindling resources. When they land on earth, they are attacked by another thinking computer who would do anything to protect itself and to continue thinking.

During a public relations trip to Europe the first lady Abby Patterson; her daughter, Beth; and son, Dave, lose their lives to a very fast and suspicious virus. As the virus takes over the world the president of the United States Arnold Patterson must deal with the collapse of the United States Government. His trusted adviser Admiral Nial Hagerly does his best to keep the military viable but it is a losing battle. The government moves to Camp David while they deal with the collapse then ultimately they are forced to move to an aircraft carrier in the Atlantic where they plan to rebuild the country and Earth.

After eight years alone on Earth 2, Geddy Starheart is ready to get off. Off-world, that is. But before he can, someone steals his ship. His quest to find it takes him on a hilarious, galaxy-spanning adventure with his only friend--the ancient alien trapped in his head. Geddy rose through the ranks of a shady auction house dealing in stolen goods. When it got too dicey, he fled to Earth 2 and changed his identity. Years later, he watched the last transport leave for Earth 3. Everyone figured him dead, and he was good with that.

An overconfident pilot with a stolen spaceship must fix an alien device before time runs out. The Newtonians came to Earth 2000 years ago looking for a place to call home. Earth was perfect, except its sun had a fatal flaw that needed to be corrected. Once it was fixed, they were free to abandon their ship and leave it to orbit the planet below. Earthlings commonly refer to it as the moon.

The Sa’Nerra were close to defeat, then everything changed. Armed with a neural weapon, the brutal alien warriors turned Fleet crew against their own. Entire warships went rogue. Suspicion and fear ran riot. Surrender seemed like the only option. But Lucas Sterling knows that in the fight against the Sa’Nerra there is only victory or death.

Joe begins seeing strange flashes. Ghosts of images, overlaid atop his own vision. Actions he could have taken but didn’t. Worse, the visions are increasing in scope and frequency. Believing he’s going mad, he confronts the scientist, only to discover the implant’s shocking origin.

Dillon Mackey has always wanted to travel the stars.... When brilliant scientist and inventor Sherisza Rousilarru offers him an apprenticeship aboard her starship, he leaps at the chance to escape a boring future in the law.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

Sixteen-year-old Kira Moore is a zero, someone who can't read thoughts or be read by others. Zeros are outcasts who can't be trusted, leaving her no chance with Raf, a regular mind reader and the best friend she secretly loves. When she accidentally controls Raf's mind and nearly kills him, Kira tries to hide her frightening new ability from her family and an increasingly suspicious Raf.

Harry August is on his deathbed. Again. No matter what he does or the decisions he makes, when death comes, Harry always returns to where he began, a child with all the knowledge of a life he has already lived a dozen times before. Nothing ever changes. Until now. As Harry nears the end of his 11th life, a little girl appears at his bedside. "I nearly missed you, Doctor August", she says. "I need to send a message". This is the story of what Harry does next, and what he did before, and how he tries to save a past he cannot change and a future he cannot allow.

A young man wanting to explore past-life regression discovers this is his first lifetime on Earth. All his other existences were on alien worlds and in other dimensions. As this unique case is explored further, he finds out that his association with extraterrestrials did not cease with these other lives. The interaction with UFOs and aliens has continued during all his present life, although the information was protectively hidden by his subconscious.

When an elite team of specialists receives a long-awaited first contact from an alien race, it’s nothing like what they’d imagined. The "gifts," from a long-dead but seemingly benevolent alien race, have been sent to help humanity defend itself against an imminent threat. It’s clear that the gifts are intended to help, but at what price? Caught in the middle is Sam Steele, a high-level programmer and veteran with a tragic past, up against the arrogant, intransigent Colonel Eric Web, who considers Steele a loose cannon and is most concerned with giving the United States an edge in the upcoming battle.

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 leading Princeton physicist Paul Steinhardt began working in the 1980s, scientists thought they knew all the conceivable forms of matter. The Second Kind of Impossible is the story of Steinhardt’s 35-year-long quest to challenge conventional wisdom. It begins with a curious geometric pattern that inspires two theoretical physicists to propose a radically new type of matter - one that raises the possibility of new materials with never-before-seen properties but that violates laws set in stone for centuries.

A story of defiance and determination by a controversial scientist, this is Lee Berger's own take on finding Homo naledi, an all-new species on the human family tree and one of the greatest discoveries of the 21st century. In 2013, Lee Berger, a National Geographic explorer-in-residence, heard of a cache of bones in a hard-to-reach underground cave in South Africa. He put out a call around the world for petite collaborators - men and women small and adventurous enough to be able to squeeze through eight-inch tunnels to reach a sunless cave forty feet underground. It worked.

Hugo Award-winning author Egan returns to the field with Incandescence, a novel of hard SF. The Amalgam spans nearly the entire galaxy, and is composed of innumerable beings from a wild variety of races, some human or near it, some entirely other. The one place that they cannot go is the bulge, the bright, hot center of the galaxy. There dwell the Aloof, who for millions of years have deflected any and all attempts to communicate with or visit them.

Once upon a time, a clan of meerkats lived in the Kalahari, a region in Southern Africa. After years of steady growth, a drought has sharply reduced the clan's resources, and deadly vulture attacks have increased. As things keep getting worse, the harmony of the clan is shattered. The executive team quarrels about possible solutions, and suggestions from frontline workers face a soul-crushing response: "That's not how we do it here!"

Joe Colsco boarded a flight from San Francisco to Chicago to attend a national chemistry meeting. He would never set foot on Earth again. On planet Anyar, Joe is found unconscious on a beach of a large island inhabited by humans where the level of technology is similar to Earth circa 1700. He awakes amid strangers speaking an unintelligible language and struggles to accept losing his previous life and finding a place in a society with different customs, needing a way to support himself and not knowing a single soul.

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.

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.

Moth was a beautiful planet, the only one with wings - two great golden clouds suspended in space around it. Here was a wide-open world for any venture a man might scheme. The planet attracted unwary travelers, hardened space-sailors, and merchant buccaneers - a teeming, constantly shifting horde that provided a comfortable income for certain quick-witted fellows like Flinx and his pet flying snake Pip.

On August 5, 1949, a crew of 15 of the United States Forest Service's elite airborne firefighters, the Smokejumpers, stepped into the sky above a remote forest fire in the Montana wilderness. Two hours after their jump, all but three of these men were dead or mortally burned. Haunted by these deaths for 40 years, Norman Maclean puts back together the scattered pieces of the Mann Gulch tragedy.

In 1999, Clark Elliott suffered a concussion when his car was rear-ended. Overnight his life changed from that of a rising professor with a research career in artificial intelligence to a humbled man struggling to get through a single day. At times he couldn't walk across a room, or even name his five children. Doctors told him he would never fully recover. After eight years, the cognitive demands of his job, and of being a single parent, finally became more than he could manage.

On a cold January morning in 1986, NASA launched the Space Shuttle Challenger, despite warnings against doing so by many individuals including Allan McDonald. The fiery destruction of Challenger on live television moments after launch remains an indelible image in the nation's collective memory. In Truth, Lies, and O-Rings, McDonald, a skilled engineer and executive, relives the tragedy from where he stood at Launch Control Center.

Not Alone: First Encounter is a prequel to the globally acclaimed Not Alone series, set several years before two worlds collide under the weight of the grandest conspiracy of all time. For the first time ever, First Encounter lifts the curtain on a deadly series of events surrounding the initial meeting between the ruthless Richard Walker - untouchable head of the controversial Interspace Defense Agency - and a young truth-seeker from Birchwood, Colorado....

The best-selling author of the Alienist series returns with a chilling elaboration on the Sherlock Holmes canon, as the famed detective investigates a pair of gruesome murders, which cast an otherworldly shadow as far as Queen Victoria herself.

Several years ago, ecologist Lauren E. Oakes set out from California for Alaska's old-growth forests to hunt for a dying tree: the yellow-cedar. With climate change as the culprit, the death of this species meant loss for many Alaskans. Oakes and her research team wanted to chronicle how plants and people could cope with their rapidly changing world. Amidst the standing dead, she discovered the resiliency of forgotten forests, flourishing again in the wake of destruction, and a diverse community of people who persevered to create new relationships with the emerging environment.