NASA’s Mars rover Curiosity’s discovery of organic compounds in the ground and plumes of methane in the air opens two potentially related investigations into whether or not the planet most like Earth in the solar system also hosted life.
A gas strongly associated with life on Earth has been detected again in the Martian atmosphere, opening a new chapter in a decade-old mystery about the on-again, off-again appearance of methane on Mars.
For the first time, a computer simulation has shown that, in theory, habitable binary planets can exist -- what would this mean for the evolution of alien life?
The European mission has discovered that the water locked in Comet 67P/Churyumov-Gerasimenko doesn't match the water on Earth.
Dust gets everywhere, particularly around young stars. But when it comes to the presence of dust in their interplanetary environments, many mature sun-like stars are very house-proud. Continue reading →
Following a successful mission to return samples from an asteroid to Earth, Japan is poised to launch a follow-on expedition, with hopes of finding organics.
A NASA-backed study explores an innovative way to dramatically cut the cost of a human expedition to Mars -- put the crew in stasis.
The Milky Way may be home to some 3,000 extraterrestrial civilizations but the vast distances between our galactic cousins will make contact extremely rare, a new study concludes.
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