NASA Mars spacecraft reveals a more dynamic red planet

(Phys.org) —NASA's Mars Reconnaissance Orbiter has revealed to scientists slender dark markings—possibly due to salty water - that advance seasonally down slopes surprisingly close to the Martian equator.

Twitter adds photo sharing to direct messages

Updated mobile software rolled out Tuesday by Twitter lets smartphone users send pictures in direct, personal messages seen only by recipients instead of being shared publicly on the social network.

Juno gives starship-like view of Earth flyby

(Phys.org) —When NASA's Juno spacecraft flew past Earth on Oct. 9, 2013, it received a boost in speed of more than 8,800 mph (about 7.3 kilometer per second), which set it on course for a July 4, 2016, rendezvous with Jupiter, ...

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