Comet begins with a breathtaking journey through space astride a comet. Pulitzer Prize-winning astronomer Carl Sagan, author of Cosmos and Contact, and writer Ann Druyan explore the origin, nature, and future of comets, and the exotic myths and portents attached to them. The authors show how comets have spurred some of the great discoveries in the history of science and raise intriguing questions about these brilliant visitors from the interstellar dark.

Were the fates of the dinosaurs and the origins of humans tied to the wanderings of a comet?

In Cosmos, the late astronomer Carl Sagan cast his gaze over the magnificent mystery of the Universe and made it accessible to millions of people around the world. Now in this stunning sequel, Carl Sagan completes his revolutionary journey through space and time.

Dr. Carl Sagan takes us on a great adventure, offering his vivid and startling insight into the brain of man and beast, the origin of human intelligence, the function of our most haunting legends - and their amazing links to recent discoveries.

Cosmos is one of the bestselling science books of all time. In clear-eyed prose, Sagan reveals a jewel-like blue world inhabited by a life form that is just beginning to discover its own identity and to venture into the vast ocean of space.

How can we make intelligent decisions about our increasingly technology-driven lives if we don’t understand the difference between the myths of pseudoscience and the testable hypotheses of science? Pulitzer Prize-winning author and distinguished astronomer Carl Sagan argues that scientific thinking is critical not only to the pursuit of truth but to the very well-being of our democratic institutions.

The future is here...in an adventure of cosmic dimension. In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who - or what - is out there? In Cosmos, Carl Sagan explained the universe. In Contact, he predicts its future - and our own.

Carl Sagan, writer and scientist, returns from the frontier to tell us about how the world works. In his delightfully down-to-earth style, he explores and explains a mind-boggling future of intelligent robots, extraterrestrial life and its consequences, and other provocative, fascinating quandaries of the future that we want to see today.

In the final book of his astonishing career, Carl Sagan brilliantly examines the burning questions of our lives, our world, and the universe around us. These luminous, entertaining essays travel both the vastness of the cosmos and the intimacy of the human mind, posing such fascinating questions as how did the universe originate and how will it end, and how can we meld science and compassion to meet the challenges of the coming century?

In 1977, two extraordinary spacecraft called Voyager were launched to the stars. Affixed to each Voyager craft was a gold-coated copped phonograph record as a message to possible extra-terrestrial civilizations that might encounter the spacecraft in some distant space and time.

The late great astronomer and astrophysicist describes his personal search to understand the nature of the sacred in the vastness of the cosmos. Exhibiting a breadth of intellect nothing short of astounding, Sagan presents his views on a wide range of topics, including the likelihood of intelligent life on other planets, creationism and so-called intelligent design.

As the days grow shorter and the temperature drops, Halloween approaches. Come, brave listener, pull up a chair, and spend some time with master storyteller Stephen Fry as he tells us some of his favourite ghost stories of all time, in truly terrifying spatial audio. From the headless horseman of Sleepy Hollow to the tortured spirits of M.R. James, from Edgar Allan Poe’s terrifying tale of a doppelganger to Charlotte Riddell’s Open Door that should definitely stay shut, join Stephen as he tells you some truly terrifying tales.

Richard Dawkins' brilliant reformulation of the theory of natural selection has the rare distinction of having provoked as much excitement and interest outside the scientific community as within it. His theories have helped change the whole nature of the study of social biology, and have forced thousands to rethink their beliefs about life.

At the beginning of his career, Joseph Campbell developed a lasting fascination with the cultures of the Far East, and explorations of Buddhist and Hindu philosophy later became recurring motifs in his vast body of work. However, Campbell had to wait until middle age to visit the lands that inspired him so deeply. In 1954, he took a sabbatical from his teaching position and embarked on a year-long voyage through India, Thailand, Cambodia, Burma, Hong Kong, Taiwan, and finally Japan.

Ensign Andrew Dahl has just been assigned to the Universal Union Capital Ship Intrepid, flagship of the Universal Union since the year 2456. Life couldn’t be better…until Andrew begins to pick up on the facts that (1) every Away Mission involves some kind of lethal confrontation with alien forces; (2) the ship’s captain, its chief science officer, and the handsome Lieutenant Kerensky always survive these confrontations; and (3) at least one low-ranked crew member is, sadly, always killed.

In a time when our political and cultural views feel more polarized than ever, Tyson provides a much-needed antidote to so much of what divides us, while making a passionate case for the twin chariots of enlightenment—a cosmic perspective and the rationality of science. After thinking deeply about how science sees the world and about Earth as a planet, the human brain has the capacity to reset and recalibrates life’s priorities, shaping the actions we might take in response. No outlook on culture, society, or civilization remains untouched.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

Saddle up and join Wynonna Earp on an immersive new audio adventure in the gritty supernatural world of Purgatory. This Audible Original invites you deeper into the Weird West to follow Wynonna Earp (Melanie Scrofano), as she embarks on her craziest adventure yet: riding off into the sunset with her soulmate, Doc Holliday (Tim Rozon)—yes ... that Doc Holliday. Brace yourself for more wise-cracking demon hunters, earth-shattering revelations and all the genre-blending action you've come to expect from the cult hit TV series.

It’s 1984, and life has changed beyond recognition. Airstrip One, formerly known as Great Britain, is a place where Big Brother is always watching, and nobody can hide. Except, perhaps, for Winston Smith. Whilst working at the Ministry of Truth, rewriting history, he secretly dreams of freedom. And in a world where love and sex are forbidden, where it’s hard to distinguish between friend and foe, he meets Julia and O’Brien and vows to rebel.

Johnnie Rico never really intended to join up—and definitely not the infantry. But now that he’s in the thick of it, trying to get through combat training harder than anything he could have imagined, he knows everyone in his unit is one bad move away from buying the farm in the interstellar war the Terran Federation is waging against the Arachnids. Because everyone in the Mobile Infantry fights. And if the training doesn’t kill you, the Bugs are more than ready to finish the job.

The 13 chapters of The Art of War, each devoted to one aspect of warfare, were compiled by the high-ranking Chinese military general, strategist, and philosopher Sun-Tzu. In spite of its battlefield specificity, The Art of War has found new life in the modern age, with leaders in fields as wide and far-reaching as world politics, human psychology, and corporate strategy finding valuable insight in its timeworn words.

As the days grow shorter and the temperature drops, Halloween approaches. Come, brave listener, pull up a chair, and spend some time with master storyteller Stephen Fry as he tells us some of his favourite ghost stories of all time, in truly terrifying spatial audio. From the headless horseman of Sleepy Hollow to the tortured spirits of M.R. James, from Edgar Allan Poe’s terrifying tale of a doppelganger to Charlotte Riddell’s Open Door that should definitely stay shut, join Stephen as he tells you some truly terrifying tales.

The modern audience hasn't had a chance to truly appreciate the unknowing dread that readers would have felt when reading Bram Stoker's original 1897 manuscript. Most modern productions employ campiness or sound effects to try to bring back that gothic tension, but we've tried something different. By returning to Stoker's original storytelling structure - a series of letters and journal entries voiced by Jonathan Harker, Dr. Van Helsing, and other characters - with an all-star cast of narrators, we've sought to recapture its originally intended horror and power.

As Charly struggles to recover from her brain injury, she begins to realize that the events of that fateful night are trapped in the damaged right side of her brain. Now, she must put the jigsaw pieces together to discover the identity of the man who tried to kill her...before he finishes the job he started.

Narrator Dan Stevens ( Downton Abbey) presents an uncanny performance of Mary Shelley's timeless gothic novel, an epic battle between man and monster at its greatest literary pitch. In trying to create life, the young student Victor Frankenstein unleashes forces beyond his control, setting into motion a long and tragic chain of events that brings Victor to the very brink of madness. How he tries to destroy his creation, as it destroys everything Victor loves, is a powerful story of love, friendship, scientific hubris, and horror.

Dr. Jekyll (Vanessa Kirby) is an elite international specialist in energy systems, working closely with her handler Louis (David Oyelowo) in a career that takes her across the globe to politically volatile territories such as Iran and North Korea. But when an arms dealer accuses her of having killed his family, Dr. Jekyll begins to question details of her life, who Louis really is, and whether her strange recurring dream has a greater meaning. She enlists the help of psychologist Sigrun (Sofie Gråbøl), and together they delve into Dr. Jekyll’s darker other side, a brutal assassin named… Hyde.