Earth is a relatively dry planet compared to some of the other ocean worlds in our Solar system. Life needs water so what about life on these other places?
A study is being done in Ethiopia's Danakil Depression - a natural environment like no other on earth - to understand how microbes thrive in extreme environments such as those found on Mars.
Interplanetary colonisation was once the stuff of science fiction but now there are plans to colonise Mars. How have film-makers and writers dealt with our rapacious Anthropocene age?
The Moon belongs to all of us. Let's share in its beauty from afar without splashing around $100 million on a showy space trip.
We need Mars-level thinking to solve our energy and climate problems here on Earth.
The recently broadcast TV mini-series, “Mars”, combines fiction and nonfiction in a way that places them in balance. This kind of combination is likely to feature in more television series and films.
Funding has been agreed for ESA's ExoMars rover, giving new hope that Europe could find life on Mars.
Recent high-profile disappointments make it tempting to this our efforts to explore Mars are cursed. But landing anywhere in space is hard – not least on the Red Planet.
ESA's second mission to Mars has become prey to the curse of the Red Planet – although the orbiter is heading for success, the Schiaparelli lander seems to have disappeared.
Rocks on Mars are surprisingly similar to those on Earth.
Musk's know-how cannot be dismissed but there are significant challenges standing between him and his dream of colonising Mars.
A true plan for the colonisation of Mars should include both the social and technical feasibility of living there. Unfortunately, Musk left that bit out.
Scientists say they've found fossils showing life existed on Earth 3.7 billion years ago. How good is the evidence? And what does it mean for the search for life elsewhere in our solar system?
Speaking with: Juan Francisco Salazar about colonising Antarctica and Mars.
The Conversation, CC BY-NC-SA19.5 MB (download)
Dallas Rogers speaks with Prof Juan Francisco Salazar about studying the research community in Antarctica to learn about what colonising Mars and other planets might look like.
What's the best way to find out how people will cope with the journey to Mars and life on another planet? Lock a test crew up for a year in a simulation right here on Earth.
Getting to Mars with current rocket technology will use massive amounts of fuel to move very small cargoes. There is a more fuel-efficient way.
Scientists are excited about sending a microphone to Mars for the very first time.
A philosopher argues that now is the time to figure it out, before we make the inevitable discovery of extraterrestrial life.
From inflatable space stations to trips to asteroids and maybe even Mars, the next decade of human spaceflight will include many exciting firsts.
There is a curious paradox at the heart of the food group's new nutrition scheme: the less consumers trust Big Food, the less attention they will pay to the labels.