Life could exist in another solar system in a different part our galaxy. Or in another galaxy far away. We don't have the perfect technology yet to study such far away places but we're still trying.
Sleep paralysis and exploding head syndrome can help explain things that go bump in the night.
The aliens of A Quiet Place track their prey by hearing something outside the norm.
If an alien landed on Earth, how would you decide if it had free will like us, or was a sophisticated automaton?
Crop circles are global phenomena gaining attention as paranormal culture becomes mainstream, along with a hybrid approach that emulates scientific investigation.
Aliens are highly likely to undergo natural selection, shows new research.
Star Trek: Discovery explores our corner of the block -- just a fraction of the galaxy. Some stars are better candidates for intelligent alien life, and it may not be anything like we imagine.
Humanity is the real target for these recordings which continue to inspire us to better understand ourselves and our place in the cosmos.
Even if alien life is never discovered, all is not lost.
The volcanoes would be a great place t to search for fossilised microbes.
Astronomers in Puerto Rico have picked up signal from a faint star that's not like anything they've seen before.
Hardy lifeforms such as tardigrades can survive almost anything.
The latest outing of the Alien film franchise pits another human crew against a terrifying enemy. But how does the science stack up?
In the face of recent political events in Britain and America, sci-fi imaginings of the 'citizens of the future' have taken on a new resonance.
Millions of people claim to have had encounters with aliens, but most can be explained by psychology rather than UFOs.
In the world of Harry Potter, beasts are to be protected, not feared. But this concern for monsters is hardly modern.
Mysterious radiation that appears to come from star HD 164595 is more likely to have a terrestrial origin.
It may make sense for intelligent aliens to have two eyes and ears on one head, and to walk upright. But other particulars – including their colour – are more open to speculation.
Some argue that it would be impossible to understand an alien language, as it wouldn't have the same grammar as humans use. But others are more optimistic.
Whether it's Hillary Clinton's courting the UFO vote or Donald Trump's lending credibility to various conspiracy theories, the "triumph of reason" seems to have gone by the wayside.