NASA has declared that the MAVEN mission has ended after losing contact with its probe six months ago.
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NASA science probe falls back to Earth ahead of schedule

Why would a spacecraft built to study Earth’s radiation environment come home years sooner than planned? That question sits at the center of the return of Van Allen Probe A, a 1,323-pound NASA ...
Alien probes could be hiding among us in plain sight as we search for them in the wrong places. This is the theory of professor Alex Ellery of Carleton University who argues that if self-replicating ...
The Parker Solar Probe was 1,500 pounds of ambition when it launched from Florida in 2018, on a seven-year mission to “touch the Sun.” The goal was to have the probe orbit 24 times, using Venus for a ...