Salt from an underground sea on Jupiter’s moon Europa may be seeping onto the surface, then darkening as it is exposed to radiation.
What has Antarctica and Mars got in common? Mineral deposits from a briny subsurface aquifer suggest bacteria are hiding under the barren Antarctic landscape -- can the same be said for the red planet?
A ghostly apparition has long been known to follow Saturn moon Enceladus in its orbit around the gas giant. But until now, scientists have had a hard time tracking its source.
Scientists have found complex organic molecules in a planet-forming disk of gas, dust and ice swirling around a very young star, evidence that the building blocks for life may be common in the universe.
Saturn's icy moon Enceladus is showing definite signs of hydrothermal activity -- similar activity that is found along deep sea vents on Earth where water is heated and minerals are formed.
The hunt for signs of life on planets beyond our solar system should cast as wide a net as possible, some researchers stress.
NASA's Dawn mission is about to arrive in orbit around Ceres and the hunt for the dwarf planet's past (and possibly present) habitable potential is on.
In a sneak peek of a possible future mission to Saturn's moon Titan, NASA has showcased their vision of a robotic submersible that could explore the moon's vast lakes of liquid methane and ethane.
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