The European mission has discovered that the water locked in Comet 67P/Churyumov-Gerasimenko doesn't match the water on Earth.
To account for a lake that lasted for millions of years means the Martian atmosphere would have had to be far thicker and loaded with water.
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 →
Just as George Lucas re-released his classic Star Wars trilogy in digitally remastered versions for a new audience, NASA has re-released a remastered view of one of their own space classics. Continue reading →
Eruptions could have kept planet warm enough for liquid water to intermittently flow across its ancient surface, suggests a new study.
The first-ever photos of water ice near Mercury's north pole have come down to Earth, and they have quite a story to tell.
The question as to where the majority of moon water came from isn't so straightforward -- it was actually 'baked' via reactions with the solar wind. Continue reading →
Next time you’re swimming in the ocean, consider this: part of the water is older than the sun.
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