Space
Alien life could spread between solar systems on interstellar rocks
Researchers have calculated that living organisms may be able to hitch a ride aboard interstellar rocks to spread not only between planets, but across the galaxy
News
Space
Why haven’t we heard from aliens? Because we’ve barely started looking
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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
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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
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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
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Space
Mars has complex organic material that may be from ancient life
The Curiosity rover has found methane in Mars鈥檚 atmosphere and complex organic molecules preserved for 3.5 billion years. Both could have come from life
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Humans
I’m working on a universal language to let us speak to aliens
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Space
Exoplanet with a cloudless sky may let us see inside a gas giant
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Space
Life on toxic Venus? Acid-loving microbes could thrive in clouds
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Space
Life on nearest exoplanet may have been wiped out by superflare
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