Opportunity's mission is at an end after almost 15 years exploring Mars.
NASA's planet-hunting Kepler space telescope has run out of fuel needed for further science operations.
A bubbling star-forming region is highlighted in a new Spitzer image.
Robert Perkins
New study explores how much oxygen could exist in water on Mars, and how that impacts potential habitability.
The Voyager 2 spacecraft may be getting close to edge of vast bubble around the sun.
Analysis of data from Cassini revealed the existence of dust storms on Saturn's moon Titan.
The Spitzer Space Telescope is celebrating 15 years of discoveries, including exoplanets, distant galaxies and even a new ring around Saturn.
The InSight spacecraft has passed the halfway point on its journey to the Red Planet.
Robert Perkins
The reconfigurable space telescope approaches a conclusion—and a launch
Robert Perkins
Satellite radar data shows how the ground beneath SoCal rises and falls over annual and decadal time scales with the pumping in and out of groundwater.
Satellite data reveals ground deformation following a 6.9-magnitude earthquake in Indonesia.
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