Earth Space Science

A distress transmission from Mars research colony warns of an advanced and unknown enemy approaching the heavily populated lunar colony. An elite marine unit commanded by Major Mitch Taylor is dispatched to protect the beleaguered civilians. However, the attack is merely a prelude to a massive invasion of Earth.

In this epic conclusion to the first series in the Human Chronicles Saga, Adam Cain and his band of Human warriors are presented to the Supreme Leader of the Galaxy. With only minutes to live, Adam convinces the Juirean leader that Humans are not the enemy, but that both their races have been part of a diabolical plot for galactic domination orchestrated by the Klin. And yet just when the truth dawns on the Juireans, the planet Juir is attacked by Kracori forces, which leads to a whole new set of problems for Adam and his band of Human Super-Men.

Earth is rising in the House of Voltar.... And there’ll be hell to pay! That’s right. The invasion is on...and it’s coming soon to a galaxy near you. The action couldn’t be hotter, and the plot couldn’t be more diabolical. Earth is coming to Voltar - and the Voltarians won’t know what hit them. Murder, blackmail, drugs, psychoanalysis, PR firms, sex-crazed teenyboppers, riots in the streets, women in chains. These are the powerful secret weapons of war.

Climate change has been a perplexing problem for years. Casey's research into the Sun's activity, which began almost a decade ago, resulted in discovery of a solar cycle that is now reversing from its global warming phase to that of dangerous global cooling for the next 30 years or more. This new cold climate will dramatically impact the world's citizens.

In researching one of history's greatest scientific quests, a mission to measure the Earth and define the meter, Ken Alder stumbled on a 200-year-old secret: The meter, it turns out, is in error. This is a story of two men, a secret, and a timeless human dilemma: is it permissible to perpetuate a small lie in the service of a larger truth?

The battle lines are collapsing, and the Legion of Wolves cannot hold back the tide. Luna and Earth are both falling to the enemy, and there is little hope as the defense is pushed back on all sides. But when Wolf learns about a race in a distant part of the galaxy that has successfully fought the vanhat to a standstill, he decides to launch an expedition to seek their help. The AI Collective has also learned about the expedition, though, and intends to kill humanity before they can find aid.

The Sun gives life to our planet, but it also produces some amazing phenomena. From sun dogs and green flash to solar flares and sunspots, The Science Behind Wonders of the Sun looks at some of these phenomena, explaining how and why they occur.

What causes Jupiter’s Great Red Spot? How have volcanoes shaped the land on many planets? How do space shuttles launch and dock with space stations? This series introduces young listeners to the objects within our solar system and the tools people use to explore the mysteries of space. This volume includes Earth, Jupiter, Mars, Mercury, Neptune, and Saturn.

I thought the hard part of helping the Helta defeat the rampaging Tevynians would be the fighting. How wrong I was. To the Helta, we Earthers look just like the Tevynians, their mortal enemies. And convincing their government to ally with humans may be even beyond the crew of the starship James Bowie. But the clock is ticking, because the Tevynian fleet is bearing down on the Helta homeworld. If we can’t talk the Helta into accepting our help to fight them off, then Helta Prime will fall.... And Earth will be next.

Explore the universe and immerse yourself in the story of our solar system, planet, and life through meteorites.

After three years of exile from humanity's war against the Kurians, David Valentine returns to battle. The Lifeweavers, Earth's allies in the conflict, have mostly vanished, but those that remain are held captive by an overlord known as the Seattle Kurian. To free them, Valentine must convince the legendary resistance fighter known as Adler to join his cause. But the "Old Man" is something of an overlord himself....

For years, Earth's heroes fought united. They faced alien armies in war. They defended Earth as friends. As a fellowship. Now they break apart. Lailani de la Rosa, heroine of the Alien Wars, aligns herself with a new enemy. She rises to lead the scummers, a breed of human-alien hybrids.

Welcome to the alien zoo. In here, you’ll meet a variety of life from across the universe. Floating balloons of flesh from a gas giant’s storm. Sentient moss that controls golems of stone. Towering arachnids whose webs can entangle starships. And in one enclosure… humans. Us. This zoo, you see, is run by powerful aliens. To the zookeepers, we are mere animals. Marco, Addy, and Einav are soldiers. Together, they fought many wars. And won them all. But now they’re trapped in a cage. Disarmed. Demeaned. Animals on display.

This audiobook begins with the question "Who am I?" and immediately sets off in an astonishingly original direction. Why didn't anyone before Harding think of responding to this question like this? It's so obvious, once you see it. Harding presents a new vision of our place in the universe that uses the scientific method of looking to see what is true. It turns out that the truth about ourselves is not only true but also very good, and breathtakingly beautiful. We live in a sacred, many-layered, living universe - or rather it lives in us.

A corporate aristocracy descended from Africa rules a colony on a distant planet. Life here is easy—for the rarified and privileged few. The aristocrats enjoy a powerful cybernetic technology that extends their life spans and ensures their prosperity. Those who serve them suffer under a heavy hand. But within this ruthless society are agents of hope and change. In a secret underwater laboratory, a separatist cult has created a threat to the aristocracy. The Primes are highly intelligent, manipulative products of genetic engineering, designed to lead a rebellion.

Beliefs about the shape of the earth have varied over the millennia, but the Ancient Greeks were able to observe that our planet is round and even Eratosthenes attempted to measure its size. It was not until explorers had fully charted the globe that most people were really able to comprehend its spherical shape.

Some see dust as dull stuff, useless at best, and sneeze-inducing at worst. But in the hands of writer Hannah Holmes, dust becomes a dazzling and mysterious force. As Holmes says, dust is a messenger, and air is its medium. And by the end of this fascinating journey through The Secret Life of Dust, we cannot help but agree.

Brock Rivers never wanted to be a repairman on Mars. Years ago, he failed to protect his family, and now he labors across a frontier planet to keep his children alive and escape CAUSE. But the spacefaring humanist regime is taking over Martian colonies, forcing all to join the secular state. Back in Brock’s homeworld, his people summon him to fulfill old hopes with a new dream. After decades of cultural isolation, they plan to restore missions for the 22nd century, voyaging beyond Earth to share the gospel in space. Brock must find a ship and recruit a team of misfit believers.

The sun's family of planets become a familiar place in this personal account of the lives of other worlds. Sobel explores the planets' origins and oddities through the lens of popular culture, from astrology, mythology, and science fiction to art, music, poetry, biography, and history. This intimate account is filled with fascination, beauty, and surprise.

Billions died before humanity clawed its way up from the brink of extinction, defeating the aliens that treated us like mere beasts. After years of agonizing toil and hardship, we have finally built a first-rate fleet, forcing our hostile neighbors to accept our freedom. But in the center of the galaxy, a bitterly vengeful woman discovers the secret of the Plutonians. She is going to awaken them so the extraterrestrials can attack us with the deadliest ships in existence. If the Plutonians destroy our fleet, the others will surely swarm in like locusts and kill us.