Considering what we know about the key ingredients for life's formation on Earth, here are three explanations for how this process may have occurred on our sister planet.
The internet has allowed pseudoscience to flourish. Artificial intelligence could help steer people away from the bad information.
We asked astronomers: are we alone in the Universe? The answer was surprisingly consistent.
The Conversation33.5 MB (download)
'I think that we will discover life outside of Earth in my lifetime. If not that, then in your lifetime,' one astronomer told us.
Somewhere out there, just maybe, an alien – probably stranger looking than in our wildest imagination – might be pondering this very question.
The Universe is mind-bogglingly large and with the latest technology, the search is only just starting to heat up.
It's established Mars was once a planet with surface-level water. So with multiple MARS missions starting next year, the key to seeking out martian life may instead lie in the contents of its 'dust'.
We haven't heard anything from alien civilisations, but perhaps they've heard us.
The fifth episode of the To the moon and beyond podcast series explores where we will be travelling in 2069.
As more than a million people have indicated plans to partake in a citizen 'raid' on the famed Area 51 to 'see them aliens,' a scholar on the search for extraterrestrial life weighs in on the hype.
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.