New findings from NASA’s Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars. Watch the entire NASA news conference held on September 28, 2015.

Scientists are using SOFIA to survey young stars more than ten-times the mass of the Sun in an ongoing study to understand how massive stars form in our galaxy.

UAE’s Hope spacecraft successfully reaches Mars, setting the stage for China and NASA to follow suit.