"A deep-dive exploration into the many theories and discoveries surrounding the possibility of extraterrestrial life beyond Earth"--

Could life-forms from other parts of the universe really travel all the way to Earth? If alien sightings are just fictional stories, why have so many people provided such similar accounts of encounters with extraterrestrials and their spacecraft? What would it be like to witness an alien or UFO from another world, and how can you tell if the object speeding across the sky has been sent by an advanced civilization to study--or even invade--our planet?...

Aliens, UFOs, paranormal abductions these are all events that have captivated and entertained people for millennia. In recent times, people have turned to science to explain the unexplainable, but does that answer everything? This book examines the history of well-known, unexplained encounters while exploring the science behind fascinating alien events. Full of photographs, eyewitness accounts, hoaxes, and scientific evidence, this book allows readers...

"In cartoon format, uses aliens to explain the science of energy"--Provided by publisher.

Combining DK's four-level reading program with one of DC s best loved Superheroes, this book will help kids learn how to read and learn to love reading Face your fears and conquer reading with the strongest teenager on Earth! Discover the immense powers of Kara Zor-El, a.k.a. Supergirl. When she embraces her destiny and teams up with her famous cousin Superman, nothing can stop them!  Packed with fun facts, exciting color images, simple vocabulary,...

"In 1961, Betty and Barney Hill claimed to have experienced a bizarre night that included extraterrestrials, flying saucers, and a few lost hours during which they could recall very little until they underwent hypnosis. Their mysterious story was just the first of many that have been told by people who have since come forward with their own similar experiences. Although there are thousands of people who claim to have experienced alien abduction, much...

"The notion that UFOs are real is one that is very much alive in today's society. In fact, sightings of UFOs as well as close encounters with actual alien visitors have been reported for centuries. And for hundreds of years, such sightings were often dismissed by skeptics because the men and women who reported encounters with aliens could provide no evidence other than the stories of their experiences. But starting in the latter half of the 20th century,...

The year is 1969, and Professor Alan Grey is ready to lead you on a magical mystery tour of a world where space creatures mingle with earthlings, unbeknownst to all but a chosen few.

Considers the plausibility of alien life and what creatures living on extrasolar planets might be like, drawing on scientific sources to depict alien creatures who have adapted to the unique characteristics of their respective environments.

A guide to the science behind the search for extraterrestrials, including the conditions necessary for life, where such conditions could exist, how aliens might look, and how we might be able to communicate with them.