Solar system

The celestial crash between NASA’s DART spacecraft and the asteroid Dimorphos is yielding spectacular pictures and data

Radar images from the Zhurong rover reveal clues to the history of a largely unexplored region

The DART spacecraft has purposefully crashed into the asteroid Dimorphos, hopefully changing its orbit by a few minutes, in a milestone test of future planetary defense techniques

September 26 marks an unmissable chance to view the massive planet Jupiter, whose opposition and perigee very rarely coincide

See a stunning new view of Neptune’s rings and oddball moon Triton from the James Webb Space Telescope

The DART mission to redirect an asteroid could be just the beginning of a robust planetary-defense program

The first test flight of the space agency’s Space Launch System rocket and Orion spacecraft is plagued by delays decades in the making

NASA’s Perseverance rover has collected four rock samples from an ancient river delta where organisms might have thrived

The MICROSCOPE mission tested the weak equivalence principle with free-falling objects in a satellite

Technical glitches and questionable weather forecasts continue to delay liftoff for NASA’s landmark lunar mission

A problem with one of the Space Launch System’s main engines has postponed the test flight until at least September 2

A former NASA deputy administrator speaks candidly about the troubled history and radical potential of the space agency’s lunar return