During a recent TV interview, Aiden Gillen and Neal McDonough expressed their own thoughts on UFOs.
Conservationists in Indonesia have identified what is thought to be the single largest flower ever recorded.
Archaeologists have discovered the remains of what is thought to be one of the oldest books ever written.
Archaeologists in Russia have unearthed what is thought to be the remains of General Charles-Etienne Gudin.
A top-secret nuclear powered missile named 'Skyfall' is thought to have caused a recent fatal explosion.
The billionaire founder of space tourism firm Virgin Galactic has commented on the UFO phenomenon.
The 4,600-year-old structure is thought to mark the transition between smooth and step-sided pyramids.
A man in India who was thought to have died following an accident turned out to be very much alive.
A sword discovered 30 years ago in a cave has turned out to be a lot more significant than previously thought.
Scientists have determined that Europa's ocean may be more like the Earth's oceans than previously thought.
According to a new study, many planets in the so-called habitable zone can only support single-celled organisms.
Astronomers have found a planet with an atmosphere in a region that was thought to be hostile to such worlds.
A lock of hair thought to belong to Renaissance genius Leonardo da Vinci is set to undergo DNA testing.
The whale, which was spotted off the coast of Norway, is thought to have escaped from a Russian military facility.
Scientists have discovered an ancient footprint in Chile that is thought to date back around 15,600 years.
It turns out that there are many times more marine viruses in the world's oceans than previously thought.
An intriguing new mind-reading device could prove invaluable for people who have lost the ability to speak.
Scientists have discovered what is thought to be the oldest known person with this rare congenital condition.
New computer models have indicated that large asteroids are much tougher than anyone had expected.
A gigantic species of bee thought to have gone extinct has been discovered alive and well on a remote island.