HOUSTON—A new research analysis of a sample of Mars gathered by NASA’s Curiosity rover and initially studied by onboard instrumentation has determined that non-biological sources once considered ...
The United States military’s most enigmatic spacecraft is back in orbit, and this time officials are hinting more clearly at what it is doing up there. The eighth flight of the reusable X-37B space ...
Interesting Engineering on MSN
R-36 Orb: The forbidden space weapon hidden behind ‘alien’ sightings
In the spring of 1967, a series of unusual sightings began to grip the ...
Our cosmos seems, at times, like one impossibly vast factory, just pumping out mysteries. The deeper we peer, the more we learn – but each new discovery stirs up a plethora of new puzzles to solve, ...
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