Space Universe

Now in its fourth edition, this low-cost astronomy audio-textbook is designed for a one-semester introductory astronomy course aimed at non-science majors and future teachers. This new edition brings the latest astronomical discoveries together with cutting-edge teaching and learning strategies designed specifically to improve student learning and retention.

Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy, encountering, befriending, and fighting hundreds of alien races all the while desperately trying to prepare Earth for the unbeatable threat at the core of the Milky Way that is destined to return and reclaim their lost colony...and their former human slaves.

The concluding two novels of the Childers trilogy, in one volume: Colony War and Galactic Mail.

When humanity is wronged by the alien AI, the Bad Company leaps to action, but only after the warriors have scattered to the four corners of the galaxy. When the warriors return, they find their ranks bolstered, their weapons upgraded, and their fleet has grown. What they don’t find is the enemy. The search is on! Between the Bad Company and their target stands too many innocent lives. Join Terry and Char as they confront Ten, a galactic evil....

La física moderna ofrece numerosos avances sobre el origen y el funcionamiento del universo, conocimientos que se transmiten en forma de ecuaciones que, a menudo, nos parecen un galimatías. Con talento incomparable, Sean Carroll demuestra que esas ecuaciones son como verdaderos poemas repletos de significado que nos ayudan a descubrir un milagroso paisaje multidimensional de gigantes radiantes, espacio-tiempo deformado, agujeros negros o fuerzas increíblemente poderosas, y, en suma, que son accesibles a cualquier persona con estudios de matemáticas de secundaria.

Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy. See them encountering, befriending, and fighting hundreds of alien races, all the while desperately trying to prepare Earth for the unbeatable threat at the core of the Milky Way that is destined to return and reclaim their lost colony...and their former human slaves.

Humanity’s greatest export – Justice. Space is a dangerous place, even for the wary, especially for the unprepared. The aliens have no idea. Here comes the Bad Company. When the Bad Company learns of a human colony blockaded by aliens, they take the upgraded War Axe into battle. Once again, nothing is as it seems, but this time, they find a single enemy, evil to its core. Ending that threat is a cause they are willing to die for. What would you do? NOTE: If cursing is a problem, then this might not be for you.

All the matter and light we can see in the universe makes up a trivial five per cent of everything. The rest is hidden. This could be the biggest puzzle that science has ever faced. Since the 1970s, astronomers have been aware that galaxies have far too little matter in them to account for the way they spin around: they should fly apart, but something concealed holds them together. That ’something' is dark matter - invisible material in five times the quantity of the familiar stuff of stars and planets.

The same military base where Oz was created witnesses the birth of another AI. The only problem? The military is the one who sets the ground rules. So, what is a new daddy AI supposed to do? Meanwhile, others are attacking the college, and Giles has to get his game on to protect his students - Space Archaeologist style. And Molly is faced with the biggest and most dangerous meeting of her whole adult life. She is going to meet her parents.

The possibility of life elsewhere in the cosmos is one of the most profound subjects that human beings can ponder. In this book, astrophysicist Andrew May gives an expert overview of our current state of knowledge, looking at how life started on Earth, the tell-tale “signatures” it produces, and how such signatures might be detected elsewhere in the solar system or on the many “exoplanets” now being discovered by the Kepler and TESS missions.

From bestselling author Saxon Andrew comes Defending Eden. Humans were forced for the second time to flee their planet due to an imminent attack from an aggressive civilization. They decided the only way to avoid fleeing again was to find a planet where they could hide and not be found. They chose a world without oceans covered in forests with giant trees; they named it Eden because of the abundance of life and biodiversity. The climate above the trees was hot year-round and the predators that inhabited Eden were out of a horrific nightmare. Giant meat-eating carnivores, pack hunting ...

A dangerous decision, a hero with violent tendencies, and a universe to save. What could go wrong? When Captain Nova Ardis acquires the services of a dangerous, tattooed gladiator, she knows she’s taking a risk—but she would do anything for family. Kove has survived most of his life in the gladiator arena and now, on the eve of winning his freedom, he is sold once again. At least being the captain’s bodyguard shouldn’t be too hard compared to the bloody life he’s lived. But when she takes him to the forbidden planet and embarks on a mission to rescue her brother, Kove will have to...

Retired Colonel Ray Longknife and Marine Captain Terrence “Trouble” Tordon come to Savannah via different routes, but what they find is the same. One bully strongman is intent on keeping power no matter what the new rules are for peace. He’s got the population cowered by thugs, and tanks at the ready. He expects to win the coming elections handily. He doesn’t expect Mrs. Trouble - aka Ruth Tordon - a Marine wife on a mission to find the drug lords that almost killed her and her husband and put them out of business - and she’s not about to be stopped.

The sky is not the limit. From an alley in New York to an interstellar wormhole, the path to the future looks different for everyone. These cosmic short stories from some of today’s most influential Black authors reveal a universe of possibilities.

Jason King has lost the ship that carried his dreams, and the woman who gave him hope. Haunted by grief and the weigh of his past, Jason returns to an Earth still under the iron grip of the United Earth Government. But home is no longer home, and neither is he the man who once fled it. What begins as a journey of quiet return soon becomes a final reckoning. Old enemies stir. New alliances shift. And Jason must decide whether to walk away from the fight, or stand once more in defense of what remains. But redemption comes with a cost and some sacrifices echo across the stars. Equinox: The ...

Terry and Char take the Bad Company’s Direct Action Branch into combat to rid a world beyond the borders of a new incursion. All it will cost is the inhabitants’ most advanced technology, a miniaturized power supply that will revolutionize the Etheric Federation. Nathan wants it, badly enough that he’s made the mission non-negotiable. Terry’s hands are tied as he takes the team into the hot zone.

The hunt for Talrok and the evil AI leads Valerie and Kalan to uncharted territory, where they find themselves battling sand snakes, shapeshifting cultists, and worse. As Valerie and Robin search for the reclusive admiral of the Lost Fleet, Kalan stays with a stranded squadron to help them fight off a pending attack. Valerie was chosen by the Dark Messiah as his justice enforcer, but in the expanse of space, she's quickly earning a new title: prime enforcer.

One soldier. Armed. Dangerous. And Lost. It was the biggest raid in the history of Dynamic Operations. Cryne had trained his entire career for this. One second, he was en route to the enemy’s capital via an experimental transport system; the next, he was alone in an empty forest. Something was off. Way off. In need of answers and a way home, Cryne will have to rely on years of training and combat skills to get himself back to where he belongs. If that’s even possible….

The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium. Follow a core group of characters known as the Trailblazers as they use alien technology and knowledge discovered in Antarctic ruins to obtain limited immortality and lead humanity out into the galaxy, encountering, befriending, and fighting hundreds of alien races.

Dane and his crew of intergalactic and interdimensional friends make their way across the universe in an attempt to return home after the galactic highway was destroyed.