From the lore and history of ancient Egypt, to the myths of Native Americans, and even the art of the Renaissance period, mankind's past is riddled with the evidence of UFOs.
The ultra top-secret military base in the remote deserts of Utah known as Area 52.
Newly declassified documents are leading UFO researchers to believe UFOs may inhabit our oceans.
The story of the Apollo 11 moon landing is told with footage not seen anywhere else.
The Moon Landing's 50th Anniversary with Astronauts at the Explorer's Club.
Discovering how two space events demonstrate the continuing societal setbacks on Earth.
Images of the first total solar eclipse in the continental United States in 99 years.
Some exoplanets resemble earth enough that one could be a new home for humanity.
The death of giant stars creates the elements that are essential to all life in the universe.
Spacetime is the secret structure that controls our universe, time, light, and energy.
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time.
The mystery of the M87 supermassive black hole and how it controls the entire galaxy.
Latest discoveries suggest life beyond this planet; investigating if earth's life began elsewhere.
A space ship of crash test dummies explore space's deadliest spots.
New discoveries about dark matter and dark energy, which are locked in an epic battle.
Mankind comes closer to keeping Earth safe from killer space rocks.
Time travel may be more possible now than ever imagined; experts are closer to discovering how.
Earth's journey is a perilous one and a new discovery reveals that the planet could be in danger.
New technology may be able to explain where the edge of the universe is or what happens there.
New discoveries reveal the secrets of hundreds of strange, tiny worlds called dwarf planets.