This animation blinks between two images taken nearly a decade apart of the 2008 landing site of NASA's Mars Phoenix mission, showing that dust has obscured landing marks.
NASA's Mars Reconnaissance Orbiter, at Mars since 2006, put itself into a precautionary standby mode on Feb. 15 in response to sensing an unexpectedly low battery voltage.
NASA's Mars Exploration Rover Opportunity keeps providing surprises about the Red Planet, most recently with observations of possible "rock stripes."
The Sun will rise on NASA's solar-powered Mars rover Opportunity for the 5,000th time on Saturday, sending rays of energy to a robot that continues to provide revelations.
Farewell to TES, the first instrument to monitor tropospheric ozone from space.
The rate of global sea level rise has been accelerating in recent decades, rather than increasing steadily, according to a new study based on 25 years of NASA and European satellite data.
When it launches in 2020, NASA's next Mars rover will carry a chunk of Martian meteorite on board.