South America's Atacama Desert is the driest non-polar desert on Earth but tiny bacteria and microorganisms survive there. And scientists see that as a sign of potential life on Mars.
Researchers believe the ice formed relatively recently because the sites appear smooth on the surface and there are no signs of craters that would be formed by celestial debris smashing into the planet over time.
Mars has many similar volcanic islands that appeared to have been surrounded by water when they were created, says NASA.
The only spacecraft to ever orbit Saturn, Cassini showed us the planet, its rings and moons up close in all their glory.
The US space agency's Juno spacecraft flew over the storm late Monday, offering humanity's closest look yet at the iconic feature of the solar system's largest planet.
The surface of Mars contains compounds that are too toxic to sustain the most basic form of life, according to a study by the University of Edinburgh's School of Physics and Astronomy.
Astronomers have discovered the planets orbiting the same star some 40 light-years away.
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