Space
Salty Martian groundwater may have enough oxygen to support life
Mars gets its red colour from oxygen rusting its surface, and it may be hiding even more oxygen in underground brine, which could help microorganisms survive
News
Space
Alien life could spread between solar systems on interstellar rocks
News
Space
Why haven’t we heard from aliens? Because we’ve barely started looking
News
Space
10 mysteries of the universe: Is there life out there?
Features
Life
Artificial genes show life does not have to be based on DNA
News
Life
The clues to finding alien life could lie in Earth’s deep past
Features
Life
Exclusive: Chinese sci-fi genius Cixin Liu on humanity’s deadly future
Culture
Space
We could find life on Europa by just scratching its surface
News
Space
Why weird star systems are where we’ll find alien life
Features
Space
Are we alone in the universe? Science says it鈥檚 a definite maybe
Research looking at the number of civilisations in the universe has prompted headlines saying we are the only one, but the reality is more nuanced
News
Space
Mars has complex organic material that may be from ancient life
News
Humans
I’m working on a universal language to let us speak to aliens
News
Space
Exoplanet with a cloudless sky may let us see inside a gas giant
News
Space
Life on toxic Venus? Acid-loving microbes could thrive in clouds
News