De Carona com os Óvnis

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

The exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena. Mulder believes in the existence of aliens and the paranormal while Scully, a skeptic, is assigned to make scientific analyses of Mulder's discoveries that debunk Mulder's work and thus return him to mainstream cases.

Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Delve deep into a vast archive of over 70,000 UFO files gathered over nearly half a century in Hangar 1. MUFON, an independent organization dedicated to investigating UFOs, has compiled these archives looking for connections, clues, and evidence to find the truth about UFOs.

The series heads to the very frontiers of space and science to produce the definitive television history of science fiction, told through its impact on cinema, television and literature, with the help of filmmakers, writers, actors, and graphic artists. Each episode will explore one of the enduring themes of science fiction: time travel; the exploration of space; robots and artificial intelligence; and aliens.

Motoring programme featuring reviews of and reports about cars of all types.

In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.

MythBusters is a science entertainment television program created and produced by Australia's Beyond Television Productions for the Discovery Channel. The show's hosts, special effects experts Adam Savage and Jamie Hyneman, use elements of the scientific method to test the validity of rumors, myths, movie scenes, adages, Internet videos, and news stories.

An in-depth look at the history and pop cultural significance of horror films.

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.

This documentary series, made in partnership with Vox, explain some of the world's current trends, from politics, to science to pop culture.

A miniseries documenting American human spaceflight, spanning from the first Mercury flights through the Gemini program to the Apollo moon landings, the Space Shuttle, and the construction of the International Space Station. It was created in association with NASA to commemorate the agency's fiftieth anniversary in 2008.

This immersive series follows the world's most magnificent creatures, capturing never-before-seen moments from the heartwarming to the outrageous.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Ghost Hunters International was a spin-off series of Ghost Hunters that aired on Syfy. The series premiered on January 9, 2008. Like its parent series, GHI was a reality series that followed a team of paranormal investigators; whereas, the original series primarily covers only locations within the United States, the GHI team traveled around the world and documented some of the world's most legendary haunted locations.

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

In Search of... is a TV series that was broadcast weekly from 1977 to 1982, devoted to mysterious phenomena. It was created after the success of three one-hour TV documentaries produced by creator Alan Landsburg: In Search of Ancient Astronauts in 1973, In Search of Ancient Mysteries and The Outer Space Connection, both in 1975. All three featured narration by Rod Serling, who was the initial choice to host the spin-off show. After Serling's death, Leonard Nimoy was selected to be the host.