Oceans on Earth may have all been green for eons before they turned blue
Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...
Jupiter's moon Callisto is very likely an ocean world
More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...
Perseverance finds new kinds of rocks that could be the oldest ever found on Mars
Perseverance's drives over the last few weeks have doubled back several times. Why such an unconventional route? Team ...
Curiosity Rover Finds Evidence of Liquid Water on Mars, Expanding Habitability Timeline
Curiosity Rover Reveals Mars Had Liquid Water Rippling Patterns Suggest Ancient Martian Lakes Findings Could Extend Mars' Habitability Window ...