Without water, there was a massive slowdown in a carbon ... The ice caps began to recede, and Earth's climate backpedaled ...

it's very unlikely they'll be able to spring back to life without being reintroduced to water. But it would theoretically be possible for the tardigrades to be collected, brought back to earth ...

Despite all appearances, the moon is a world with water. Strewn throughout the soil, water molecules are scattered all around the moon’s surface. Where they originated has long stumped scientists, but ...