K2-18 b is now the exoplanet most likely to be habitable.
NASA's Europa Clipper mission just got the green light - here's what it could achieve.
Listen up, conspiracy theorists – it is virtually impossible that there could be alien visitors on Earth.
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.
Rovers including 'Rosalind Franklin' will pick up where Opportunity left off – trying to answer the question of whether there is, or ever has been, life on Mars.
We will never see 'Oumuamua again, and we may never know exactly what it is. But with the right kind of media coverage it could inspire some kids to take up a career in science.
Studies from our own planet shed light on whether there could be life in a subglacial lake on Mars.
Life could have evolved on exoplanets Kepler-452b and Kepler-62e, according to a new study.
Following NASA's latest discovery of organic matter on the red planet, new findings in a salt lake in California could point to where to look for alien life.
We could find evidence of life on Europa within a couple of decades.
Using AI to search for ET might help us find things we couldn't even imagine we should look for, but to succeed we also have think critically about how we create and use that technology.
New research may help us to look for messages from alien civilisations.
If we find microbes on Mars, it will be difficult to exclude the possibility that we have accidentally brought them there from Earth.
Scientists looking for signs of alien life from the mystery object passing through our Solar system say they've found nothing "so far".
Planetary protection protocols try to make sure we don't seed places like Mars with life from our planet. An astrobiologist argues they're misguided – especially with human astronauts on the horizon.
The Cassini space probe discovered liquid lakes, poisonous gases and the basic elements of life on Saturn's moon, Titan.
Humanity is the real target for these recordings which continue to inspire us to better understand ourselves and our place in the cosmos.
Scientists discover rare molecules on Titan which suggests it's creating the building blocks of life.
Hardy lifeforms such as tardigrades can survive almost anything.
Musk dismisses one of the main technical challenges of being on the Martian surface: the temperature.