The Cassini space probe discovered liquid lakes, poisonous gases and the basic elements of life on Saturn's moon, Titan.
Despite not being able to see them, we know a fair bit about our exoplanet neighbours.
Even if alien life is never discovered, all is not lost.
Hardy lifeforms such as tardigrades can survive almost anything.
You may even be able to find other planets around the star closest to our solar system.
Researchers recently discovered the hottest planet known. But which one is the coldest? And the biggest?
The planet is more similar to Earth than any other – except when it comes to supporting life.
Plants on other planets are bound to be even weirder than the strangest ones we find on Earth – if they even exist.
A Darwin mechanic's success in the hunt for new exoplanets shows how amateur and professional scientists can work together on new research.
The Astronomer Royal answers some of the world's – and the universe's – biggest questions.
There has been much excitement this week about the possibility of water -- and life -- on some newly discovered exoplanets. But we can look closer to home for evidence of ET.
Several of the newly-discovered exoplanets orbiting a small star appear to be locked in an intricate dance that hints at how such planetary systems can form.
If there's life on one of the Earth's seven sisters, chances are it has spread to all of them.
Over the last 20 years, advances in the field of exoplanet discovery have excited the imaginations of scientists and enthusiasts alike. But we're in position to know yet whether a planet is habitable.
Colliding black holes to exploding spacecraft, 2016 was an incredible year for astrophysics.
From the discovery of gravitational waves, to the Pokémon Go phenomenon to the Census debacle, it's been a big year in science and technology.
Sonification is a technique for converting data into sound. It could transform the study of distant worlds.
Atmospheric changes on exoplanets could hold clues to our own environmental problems.
Technology had enabled humans to explore the deep sea, the Earth's poles, and outer space. But we shouldn't forget historical lessons about frontiers in the process of traversing them.
Astronomers have found an Earth-like planet orbiting our nearest neighbour, the red dwarf star Proxima Centauri. So any chance that planet may be habitable?