Signs of alien life will be detected by 2025, while "definitive evidence" of extra-terrestrial beings may be found within the next 20 to 30 years, top NASA scientists say.
Started in August 2013 as a technology development project at NASA's Jet Propulsion Laboratory, the Mars Helicopter had to prove that big things could come in small packages.
Scientists have found the first evidence that briny water may flow on the surface of Mars during the planet's summer months.
The mission's findings will help researchers improve their forecasts of space weather events, which have the potential to damage satellites and harm astronauts on orbit, disrupt radio communications and, at their most severe, overwhelm power grids, NASA said.
The unmanned space telescope, which launched in 2009, leaves a legacy of more than 2,600 planet discoveries from outside our solar system
The subterranean ocean is thought to have more water than all the water on Earth's surface
A preliminary analysis of the image shows two distinct layers of haze.
NASA's Kepler mission has confirmed the first near-Earth-size planet in the 'habitable zone' around a sun-like star.
After more than four years of orbiting Mercury, NASA's MESSENGER spacecraft will crash into the solar system's innermost planet in two weeks when it runs out of propellant.
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