Sistema solar

No one knows what to make of the mysterious clicks. To Ajay Joshi, the amateur astronomer who discovered the strange sounds with his radio telescope, the clicks represent proof of aliens on Callisto, a moon of Jupiter, a theory dismissed as quackery by space agency radio experts....

Bradbury's imaginative field is boundless. Here, his stories carry us from the cozy familiarity of the small-town America we lived in in Dandelion Wine to the frozen desert and double moon that have been parts of our interior landscape since The Martian Chronicles....

When a celebrated science fiction writer takes to space on his first trip to Mars, he stumbles upon Mars' most carefully hidden secrets and threatens the future of the entire planet....

Written in Dava Sobel's characteristically graceful prose, The Planets is a distinctive view of our place in the universe....

As captain of the galaxy’s only all-female bounty hunter crew, Danica thought she was prepared for anything. She wasn’t expecting him....

Impetuous and headstrong, Tara, Princess of Helium and daughter of John Carter, defies the elements...

Not long ago, the Solar System was the only example of a planetary system - a star and the bodies orbiting it - that we knew. Now, we know thousands of planetary systems, and have even been able to observe planetary systems at the moment of their birth....

Astronomers in England and America have made a terrifying discovery: an ominous black cloud the size of Jupiter is travelling straight towards our solar system....

A successful group of friends means you always have someone to call on even when they aren’t directly in your vicinity. Some people believe that working with your benefic planets is the most positive way to connect–but the malefic planets in your birth chart can help you grow....

A noted space expert explains the current revolution in spaceflight, where it leads, and why we need it. A new space race has begun. But the rivals in this case are not superpowers but competing entrepreneurs. These daring pioneers are creating a revolution in spaceflight....

Told with sincerity, humor, and wit, Trespassing Across America is both a fascinating account of one man's remarkable journey along the Keystone XL pipeline and a meditation on climate change....

Mars is a colonial world governed by corporate interests on Earth. The young Martians - the second and third generation born on Mars - have a strong belief that their planet can be independent....

In this essential Star Wars Legends novel, Mace Windu must journey to his long-forgotten homeworld to confront a terrifying mystery with dire personal consequences....

Book Three by international writing phenomenon David Weber. Two young settlers on a pioneer planet seeks to stop a war and to save the intelligent alien treecats from exploitation by unscrupulous humans....

The early history of Earth covers such vast stretches of time that years, centuries, and even millennia become virtually meaningless. Instead, paleontologists and scientists who study geochronology divide time into periods and eras....

The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise....

In Dani and Eytan Kollin's The Unincorporated Future, Sandra O'Toole is the president of the Outer Alliance, which stretches from the asteroid belt to the Oort Cloud beyond Pluto....

Christopher was Auggie's best friend from the time they were babies until his family moved away; he was there through all of Auggie's surgeries and heartbreaks....

Here are tales of star-faring adventure, peril, and drama. Here are journeys into the mind-bending landscapes of virtual worlds and alternate realities....

Whether men are on Earth or Mars or in the deepest reaches of space, morality, curiosity, justice, romance, and rebellion are universal....