NASA's Dragonfly mission will search for the signs of "the building blocks of life" on Titan, Saturn's largest moon
US space agency believes the crater could have preserved ancient organic molecules from the water that flowed there billions of years ago
Parker Solar Probe breaks its own record for flying close to the Sun
Delays push up telescope cost to almost $10 billion
Organic material preserved in rocks extracted from the bottom of Gale Crater provides more evidence that Mars might once have supported life
Mission to Mars will study what lies deep beneath the surface of the red planet for the first time
Lifted off on a SpaceX Falcon 9 rocket today following postponement on Monday