Earth Space Science

In the year 2357, the galaxy teeters on the brink of chaos as the United Terran Federation battles a powerful and mysterious insectoid race. Eighteen-year-old Lexa Hale, a determined recruit at the Terra Nova Military Academy, aims to honor her war-hero father by joining the elite ranks of the Starforge Corps. However, the brutal realities of combat quickly challenge her ideals.

They came from deep space. They came to destroy us. Fifty years ago bloodthirsty aliens devastated the Earth. Most of humanity perished. We fell into darkness. But now we rise from the ashes. Now we fight back. Marco Emery was born into the war. After his mother is killed, he joins the Human Defense Force, Earth's ragtag army. Emery must survive basic training, become a soldier, and finally face the aliens in battle. Against the alien onslaught, Earth stands alone. But we will fight. We will rise. We will win.

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....

Earth is in turmoil. The enemy is bearing down on us with every warship they have, and our only allies are in chaos. Our one hope for survival is Andy Clanton - a hack science fiction writer trying to convince some aliens that humans are worth saving. It’s an uphill battle, because to the aliens, we are the monsters. We look just like their sworn enemies, the Tevynians, who’ve sworn to wipe out both our civilizations. When everything falls apart and the fate of the galaxy is on the line, can Andy Clanton pull our fat out of the fire?

The basilisks. Giant serpents from deep space. Their true name is unknown. Their homeworld is cloaked in shadow. But one thing is certain: They're killers. And they vow to kill us all.

Five years ago, we won our first galactic war. We defeated the scum, a race of alien centipedes. But the marauders are stronger, smarter, and crueler by far. And they will show us no mercy. Marco Emery, hero of the last war, struggles today as a civilian. Shell shock cripples him. Nightmares haunt him. Yet now he must become a soldier again. Now his old platoon must reunite. Together, they must defeat the greatest threat Earth has ever known. Or humanity will fall.

They say hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times. Marco Emery was born into hard times. He was raised in war. He grew up in bomb shelters and on battlefields, fighting to survive. He became a soldier. A war hero. Then, after vanquishing his last enemy, he retired to raise a family. And Earth moved on.

With the invention of faster-than-light travel there is nowhere that humanity cannot go. New worlds are discovered, but with them come new dangers. At the heart of the discovery is the Fermi, mysterious beings that have survived on alien worlds for longer than humanity has existed. But now the Fermi are awakening, and they do not seem pleased to find humans in their midst. But for Lakshmi Nayak and the crew of the Fighting Chance, danger is a lot closer to home. Their search for answers will take them to places, and worlds, they never expected.

Kayan has emerged from the Hoyon citadel repaired and refreshed, though she’s a bit cagey. Why would she share what kind of upgrades the healing process bestowed upon her? Noah Gantz is just glad to be back in the action, seeking Seer secrets, a way to save two galaxies, and finding Kilis Dane Ryger before Celia and Ryg destroy Kayan to get their answers. When Kayan’s crew learns Dane may have genetically modified Azok warships, they pursue the clues back to the Milky Way and Earth.

They’re here. They’ve arrived. And they’re all eyes. The Voltarian scouting party - illegal aliens extraordinaire - on a top-secret expedition led by one Jettero Heller, Royal Officer of the Fleet. His mission: rescue the planet from pollution - and make it safe for the upcoming invasion. His problem: The planet may not want to be saved - and the invasion may just be a trick.

It's all-out war. Our cities fall. Millions die. The scum, these cruel aliens from deep space, are determined to kill us all. So we must kill them. Humanity musters its greatest fleet. Thousands of starships rally. Millions of soldiers deploy. For Earth to stand a chance, we must invade the aliens' home world. We must destroy their planet. Before they destroy ours. Earth's fleet flies through space. We fly toward millions of enemy ships. We fly to almost certain death.

In this deeply original book, science writer Anil Ananthaswamy sets out in search of the telescopes and detectors that promise to answer the biggest questions in modern cosmology. Why is the universe expanding at an ever faster rate? What is the nature of the "dark matter" that makes up almost a quarter of the universe? Why does the universe appear fine-tuned for life? Are there others besides our own?

Earth burns. After generations in exile, we returned to our long-lost planet. Scarred. Haunted. Survivors. We - the last humans - are finally home. But our enemies still crave our blood. Seven alien species unite. Seven fleets bombard our planet. Seven armies invade our beautiful world. They have one goal: To kill us all. We refuse to lose Earth again. We will resist. We will fight for every hill, every valley, every stone, and blade of grass. We will defend our planet. At any cost. Together, we will raise our voices. We will sing the song of Earth. We will tell the enemy: Earth is ours!

It finally happened. Commander Thrax Ti Ix created a hyper-spatial tube for the Swarm Imperium. Across thousands of light-years, a vast armada of warships is heading for Earth to burn the homeworld down to its bedrock as the Swarm begins its genocidal campaign against the human race. No one - not the New Men, the Spacers, the Wahhabi Caliphate, or Star Watch - has faced such staggering odds. Alone or united, it makes no difference.

Hackett, in his trusty ship the Perseus, is not just a space traveller—beginning his travels with an expedition to Neptune and back—but, thanks to the time-dilation effect, a time traveller as well. His new mission will take him to Andromeda, to get a close-up look at the constellation which will eventually crash into the Milky Way, and give humanity a heads-up about the challenges which are coming. A mission which will take him five million years to complete. Not only is Hackett exploring unknown space, but he will return to a vastly different time.

The war between the seven alien races of the Confederation and Earth heats up as the two come into direct conflict over the former Human Empire. The people or Earth are determined to free it, and the Confederation is determined to keep it under their strict control. Fleets meet in combat as the fate of worlds is decided. Earth is hopelessly outmatched as the Confederation controls thousands of inhabited planets.

United we stand. Divided we fall. We stood together once. United. Proud. Humanity was one. Together we colonized the stars. Together we built an empire. That was a long time ago. Today humanity is fractured. Earth and Mars clash in war. Brother fights brother. Our fleets once faced the stars. Today they face each other in battle. Our empire frays. Hearts that once blazed with courage now burn with hatred. Meanwhile the true enemy draws ever nearer.

In 1959, the Soviet probe Luna 3 took the first photos of the far side of the Moon. Even in their poor resolution, the images stunned scientists: The far side is an enormous mountainous expanse, not the vast lava plains seen from Earth. Subsequent missions have confirmed this in much greater detail. How could this be, and what might it tell us about our own place in the universe? As it turns out, quite a lot. When the Earth Had Two Moons is an astonishing exploration of planet formation and the origins of life by one of the world’s most innovative planetary geologists.

In the fourth book of the Extinction Wars series, Abaddon commands a Karg-Jelk Super Fleet bent on annihilating humanity. He's the galaxy's most ruthless strategist wielding superior technology. That includes the perfect raid-ships, able to teleport anywhere at will. Humanity has Commander Creed, and he has his Assault Troopers. He's going to take the fight to the enemy. He's buying time, learning secrets and setting up for the greatest space battle in the Orion Arm.

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.